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Investigate the relationship between force and acceleration of a moving trolley

acceleration in the range from about 1.56s2 to 3.61s2. After 3.61s2 (or about 1.9s) the trolley collides with the end of the runway. The acceleration is non-uniform in the range from start to about 1s. This could be because the frictional force acting on the trolley is varying in this range and then becomes constant. Weakness and Improvements A practical to investigate the relationship between force, mass and acceleration. When the masses are released, they pull the trolley to the right, causing it to accelerate. The acceleration can be determined by using a pair of light gates to measure the velocity of the trolley at two different points and measuring the time taken to get between.

To investigate the relationship between the force, mass and acceleration by varying the masses added to trolleys. Method The diagram shows apparatus that can used in this investigation Question 4 Learners investigate the relationship between net force and acceleration by pulling a trolley across a surface which is slightly inclined to compensate for friction. The trolley is connected to different masses by a string of negligible mass. The string passes over a frictionless pulley Newton stated that F=Ma; Force= Mass x Acceleration. This relationship can be turned into an equation by putting in a constant; F=constantxma. Force in physics, is defined as any action or influence that accelerates, or changes the velocity of a certain object. Force is a vector, which in other words means that it ha both direction and magnitude like a pencil moving up and down 50 times a second)). 2. The runway is then tilted until such time as the trolley moves with a uniform velocity (i.e. doesn't speed up) when given a small push. This means that a component of the weight of the trolley is being used to overcome the (dynamic) frictional force between the trolley and the track. 3 Force and Acceleration Objectives In this experiment, you will investigate Newton's second law by using a system of connected masses. You will use the motion detector to determine the acceleration of the system. You will employ unit analysis method to find the meaning of the slope of th

STANDARD S8P3: Students will investigate the relationship between force, mass, and the motion of objects. A. Determine the relationship between velocity and acceleration. Velocity: The speed of an object in a given direction. MUST include the direction! Units are measured in distance/time Direction. Exam-ple: meters/second West • Trolley • Trolley track • Ticker timer and tape • Rope • Four mass pieces • Hanger for mass pieces • Brick Method: 1. Place a trolley on a smooth runway and tilt the runway very slightly so that the slope compensates for the friction between the wheels and the runway. If pushed gently, the trolley should move at Questions. Analysis (pg. 69-70): c) See Observations and Calculations d) See graph Acceleration vs. F net . The graph of acceleration as a function of the net force indicates that there is a direct relationship between the net force and the acceleration such that when the net force is doubled the acceleration is also doubled

How to investigate experimentally Newton's Second Law using light gates and a data logger. Resultant force and acceleration. Method. Friction. compensated the runway so that the trolley moves at. Investigate the relationship between the force and acceleration of an object. A diagram of the apparatus used to investigate the effect of a force on the acceleration of an object. Adjust the friction compensated slope so that the trolley will move at constant velocity when no unbalanced force is applied F = ma (Force = mass x acceleration) Aim. To investigate the relationship between force, mass and acceleration, as detailed in Newton's Second Law. Hypothesis. For the experiment method we are doing, I predict that as the mass on the end of the string increases, increasing the force, the trolley(s) will accelerate faster relationship between force, mass and acceleration by varying the masses Appropriate methods must be used to measure the force and time taken for the trolley to travel down the ramp, and data analysis must include calculating the acceleration. 4.17: Investigate the a investigate the relationship between potential difference, current and.

The 3 angles I chose to investigate were 2. In order to record the acceleration for each, I would first need to have a complete record of the motion of the trolley. I believe that the reason for this is due to the relationship between force and acceleration. If the force is larger, then the acceleration is also larger. However the angle. Newton's second law describes the relationship between force and acceleration and this relationship is one of the most fundamental concepts that apply to many areas of physics and engineering. F equals ma is the mathematical expression of Newton's second law. This illustrates that greater force is required to move an object of a larger mass Suggested practical - investigating acceleration down a ramp Investigate the acceleration of a trolley down a ramp. There are different ways to investigate the acceleration of an object down a ramp A: There are a few factors affecting the speed of a trolley down a ramp. The trolley changes speed as it goes down the ramp. It starts from 0 speed (not moving at all) and then speeds up as it goes down the ramp. How much it speeds up depends on a number of things. How steep the ramp is affects how fast it speeds up To investigate the effect of varying the force on the acceleration of an object. Method Position an air track on a bench with a bench pulley at one end and two light gates above the track

..Aim: a:, To observe changes in motion due to changes in force and measure force, mass and acceleration, and examine their influence on motion.b: To investigate the relationship between the variables; mass, force and acceleration and determine an inertial mass through the use of a trolley, ticker-timer and set of slotted masses. Introduction: Newton's second law states The acceleration of. We're looking to investigate the relationship between the acceleration of an object and the force which caused it. Trolley A moving at 3.5 m s−1 strikes trolley B, which is at rest. In an experiment to investigate the relationship between force and acceleration a student applied a force to a body and measured the resulting. Relationship between Mass, Force and Acceleration: A Scientific Experiment. Aim: To show the relationship between Mass, the force acting on it, and acceleration by gathering data through investigations. Hypothesis: As Mass increases, Acceleration Decreases. Therefore, Acceleration is inversely proportional to mass Carry out Experiment 2.4 on page 41 of the practical book To investigate the relationship between force and extension of a The graph below shows the motion of a trolley with mass Draw a graph of velocity against time that shows a car moving initially with constant acceleration, then moving with constant velocity and followed by.

Practical: Investigating F=ma Edexcel GCSE Physics

  1. As a result, we can investigate the relationship between the distance traveled and the angle of initial velocity. We will, for now, ignore air friction and think only about the initial velocity of the dart and the acceleration due to gravitational force
  2. e an inertial mass through the use of a trolley, ticker-timer and set of slotted masses. Introduction: Newton's second law states The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force.
  3. e the momentum change of a trolley when a force acts on it as a function of time Safety There are trolleys and masses in motion so you should produce an appropriate risk assessment. All the maths you nee
  4. Newton's Second Law F = ma (Force = mass x acceleration) Aim. To investigate the relationship between force, mass and acceleration, as detailed in Newton's Second Law. Hypothesis. For the experiment method we are doing, I predict that as the mass on the end of the string increases, increasing the force, the trolley(s) will accelerate faster

If necessary, move the second light gate so that the glider passes through it before the weight hits the ground. If the weight hits the ground too early, the glider will stop accelerating too early. The first experiment will investigate how the acceleration depends upon the force. The force is provided by the weight stack 6 (a) A student investigates the relationship between force and acceleration for a trolley on a runway Figure 7 shows some of the apparatus the student uses. card trolley runway bench Figure 7 light gate weight hanger (i) Describe how the student could increase the accelerating force applied to the trolley Homework Statement Investigate the effect of the pulling force on average velocity. You will be given a trolley and a ramp and slotted masses to create pulling force. Homework Equations F=ma Average velocity = d/t The Attempt at a Solution My hypothesis is that as we increase the pulling.. A 10 N force is used to pull dynamics trolley A along a frictionless horizontal surface. Trolley A is attached by a light, non-elastic string to trolley B. Trolley A has a mass of 1 kg and trolley B has a mass of 500g. a.) Calculate the acceleration of Trolley A b.) Calculate the tension (F T) in the string that joins Trolley A to Trolley B the magnitude of force, and acceleration of a moving object (1) Verification of Newton's Second Law : F = ma (a)When the mass of an object is fixed, measure the relationships between external force F and acceleration a. (b)When the external force F fixed, measure the relationship between mass of the moving object m and its acceleration a

Purpose To determine the relationship between force, mass, and acceleration using a cart attached to a pulley with varying weights. Hypothesis If the mass of the weights attached to the pulley is increased, the force exerted on the cart and the acceleration of the cart will also increase. Labeled Diagrams See attached sheet. Data Weight [ Students are using an air rocket to investigate the relationship between force and an object's motion. Students pump air into the rocket, then release the rocket, and the compressed air pushes the rocket upward. In order to vary the amount of force acting on the rocket, which of the following should the students change in each trial A practical to investigate the relationship between force, mass and acceleration When the masses are released, they pull the trolley to the right, causing it to accelerate. The acceleration can be determined by using a pair of light gates to measure the velocity of the trolley at two different points and measuring the time taken to get between.

(c) (i) To investigate the relationship between the acceleration and the mass. (ii) Manipulated variable : mass, m Responding variable : acceleration, a Constant : Force applied (iii) 5 Trolleys, ticker timer, ticker tape, a rubber band, a wooden runway, 12 V a.c power supply, ruler (iv) (v) The ticker-timer is switched on and a trolley (of 1. Describe how these measurements can be used to find the acceleration of the trolley. John O'Brien www.znynzn.com Page 9 . In an experiment to investigate the relationship between force and acceleration a student applied a force to a body and measured the resulting acceleration. The table shows th

between acceleration and net force? (e) Plot a graph of the acceleration (vertical axis) as a function of the mass of the system for the trials in which the net force was kept constant. (Theoretically, the graph is a smooth curve.) What does the graph indicate about the relationship between acceleration and mass? 3.0 N 1.0-kg mass 3.0 N 3.0 N. 9 (a) A student investigates the relationship between force and acceleration for a trolley on a runway. Figure 12 shows some of the apparatus the student uses. card runway trolley bench Figure 12 light gate weight hanger o o (i) Describe how the student could increase the accelerating force applied to the trolley Create an applied force to push various objects, and adjust the amount of the amount of friction and see how it affects their motion. Acceleration Screen Investigate the relationship between the net force, acceleration, and speed. Insights into Student Use • Whenever there is a net force, the cart on the Net Force screen will accelerate cs • motion, scalars and vectors A Example 17 Tickertape Stretched elastic 8 Tickertimer Dynamics trolley (a) In order to investigate the relationship between force and acceleration, an experiment was carried out using a ticker tape attached to a trolley as shown in the diagram. The tape was fed through a ticker timer which made 50 dots on the tape every second

In addition to studying the force and acceleration in collision processes, the paper investigated the dependence of two parameters according to the crash angle of the pendulum, spring stiffness and . m. 2. impact mass. These results are shown in Fig.7. To evaluate the more general relationship between force and acceleration of collision, the pape Now we will investigate the relationship between the acceleration of a body and the body's mass. To do this we will keep the same force on larger and larger masses. Procedure: 1. Using the same procedure as in Lab C-1, pull the dynamics cart with one or two rubber bands at a very quick acceleration while keeping the force constant. Calculate.

Required practical - investigating force, mass and

To investigate the relationship between normal force and friction. Apparatus. Spring balance, several blocks, of the same material, with hooks attached to one end, several rough and smooth surfaces, bricks or blocks to incline the surfaces. Method. Attach each of the blocks to the spring balance in turn and note the reading Mass, force, acceleration. fExperiment 2.2. Relationship between acceleration and force applied on a constant. mass. Situation: Figure (a) shows car A and car B of the same mass at the same starting. line. Car B is a sport car. The engine capacity of sport car B is much bigger than car A. (a car with a Throughout the experiment, we had some hiccups in letting the trolley pass through the light gates. If I could do the experiment again, I would modify the positions of the light gates. Besides, we can still try to move the position of the ramp, in order to find more about the relationship between the height and the acceleration and time

Solved: Question 4 Learners Investigate The Relationship B

TO SHOW THAT ACCELERATION IS PROPORTIONAL TO THE FORCE WHICH CAUSED IT 2010 HL 2010 OL, 2005 OL, 2003 OL You carried out an experiment to investigate the relationship between the acceleration of a body and the force applied to it. You did this by applying a force to a body and measuring the resulting acceleration Chapter 9: Force, mass and momentum Please remember to photocopy 4 pages onto one sheet by going A3→A4 and using back to back on the photocopier. Odd as it may seem, most people's views about motion are part of a system of physics that was proposed more than 2,000 years ago and was experimentally shown to be inadequate at least 1,400 years ago Part A: Dependence of Acceleration on Net force We are going to investigate the connection between the force on a cart and its acceleration. Set up the equipment: Set-up your smart cart and track apparatus as shown below. Set the track on the table so one end is hanging off Acceleration describes the time rate the velocity is changing at. The relationship between acceleration and velocity is similar to the relationship between velocity and displacement. Acceleration is a vector quantity, so a = 0 for uniform velocity. The entity is thought to be uniformly accelerated if the constant of 'a' is a non-zero

To find the downward force, along an inclined plane, acting on a roller due to gravitational pull of the earth and study its relationship with the angle of inclination θ by plotting graph between force and sin θ. Apparatus An inclined plane, A trolley or roller, pan, weight box, spring balance, spirit level, strong thread, half metre scale Momentum is the product of mass and velocity. Momentum is defined* as the product of mass and velocity. For a particle of mass m and velocity v, the momentum p is m v. Momentum is a vector because velocity is a vector and mass a scalar. (* Strictly, we should note that, at very high speeds, a relativistic factor γ must be included: p = γmv Relationship Between the Distance and Time of a Falling Object. Freefall occurs where the only force acting on an object is gravity. Because gravitational acceleration on earth is constant, the distance an object falls is proportional to the time spent falling. In this experiment, you will experimentally determine the acceleration due to. It is the force that keeps an object in a circular motion. Without it, Earth would move in a straight line and satellites would fall out of the sky. The lab that we have conducted is to verify the relationship that exists between the centripetal acceleration and the velocity of the object undergoing this force. Introduction Hypothesi • Investigate the relationship between mass, acceleration, and force as described in Newton's second law of motion • Investigate how varying mass to accelerate an object affects reaction to the force generated • Explore friction and the effects it has on the speed of a moving vehicl

An investigation into the acceleration of a trolley up a

  1. e how forces are used to move objects. Learning Goal: Students will investigate alternative ways to propel cars. What is the source of motion and the basic engineering cycle. Vocabulary: friction, chassis, force Introduce students to automotive engineering: Automotive engineering is a billion dollar industry that.
  2. What is the relationship between force and extension of an elastic object? If you wanted to investigate how force affects acceleration, what part of the equipment would you change? The force pulling the trolley (by adding more masses to the hook). Describe the motion of a moving car experiencing.
  3. This force causes the ball to decelerate (that is, it has a negative acceleration). According to Newton's second law an object will accelerate in the direction of the net force . Since the force of friction is opposite to the direction of travel, this acceleration causes the object to slow its forward motion, and eventually stop
  4. Extended side plates protect the wheel bearings and prevent the trolley from rolling off the table. With plug-in holder, slotted weights (from 337 04 ) and additional weights ( 337 05 ), holding clip for metallised recording paper and sockets for attaching spring and buffer ( 337 03 ) for collision experiments
  5. Force is stated as a vector quantity, meaning it has elements of both magnitude and direction. Mass and acceleration respectively. In layman's terms, force is a push or pull that can be defined in terms of various standards. Dynamics is the study of the force that causes objects and systems to move or deform
  6. d. Plan and carry out an investigation to gather evidence to identify the force or force component responsible for causing an object to move along a circular path. • Calculate the magnitude of centripetal acceleration. e. Develop and use a model to describe the mathematical relationship between mass, distance, and force as

Investigation 2.3.1: The Relationship Involving ..

  1. It is mass. The more massive an object it is more difficult to move it, you need to exert more force on it to move it. On the other hand, the more massive an object the heavier it becomes and, in principle, it falls faster or accelerates. The net.
  2. PS-3219. Measure the motion of a mass and spring oscillator. The Wireless Motion Sensor works with our free MatchGraph! software. It is an ideal way to teach the concepts of motion graphing, interpreting graphs, and rate of change or slope. The Wireless Motion Sensor uses ultrasound to measure the position, velocity, and acceleration of objects
  3. Centripetal Force Purpose: In this lab we will study the relationship between acceleration of an object moving with uniform circular motion and the force required to produce that acceleration. Introduction: An object moving in a circle with constant tangential speed is said to be executing uniform circular motion
  4. FORCE AND ACCELERATION Objectives † State the relationship between acceleration and net force. (6.1) † State the relationship between acceleration and mass. (6.2) † State and explain Newton's second law of motion. (6.3) † List the factors that affect the force of friction between surfaces. (6.4) † Distinguish between force and.

Newton's Second Law - Force and Newton's laws - CCEA

GCSE Physics Required Practical: Investigating Newton's

  1. The guidelines also distinguish between the initial force to get the trolley moving, and the amount to keep it moving. The initial force is assumed to only be applied for a few seconds while the trolley settles into movement. The critical figure for design purposes is usually the much lower figure for sustained force
  2. To investigate the effect of mass on acceleration when a constant force is applied. Equipment • dynamics trolley (500g) • pulley • string • 10x 50g weights • stopwatch • masking tape • metre ruler Diagram of experimental set up: Extra 50 gram masses are placed on the trolley. 50g mas
  3. A trolley A of mass 3 kg is moving with velocity 2 ms-1 and collides with another stationary trolley B. After the collision, trolley A moves with velocity 0.4 ms-1. If the collision is elastic, Force = Mass x Acceleration Relationship between a & F Relationship between a & m 28 a F
  4. Goal: To test Newton's 2nd law (ΣF = ma) and investigate the relationship between force, mass, and acceleration for objects. Lab Preparation To prepare for this lab you will want to review what a velocity vs. time graph looks like if the acceleration is constant. You should also read through the following material
  5. A Relationship Between Force and Acceleration Newton's laws are one of the most fundamental laws of physics. According to the first law, we know that a body will continue to be in a state of rest or uniform motion until a net external force acts on it

Newton's Second Law - 1393 Words 123 Help M

Core Practicals Flashcards Quizle

Relationship Between Angle And Acceleration Essay Exampl

• Investigate the relationship between mass, acceleration and force as described in Newton's second law of motion. • Investigate how varying mass to accelerate an object affects reaction to the force generated. • Explore friction and the effects it has on the speed of a moving vehicle it will have acceleration. To understand the relationship between acceleration, force and mass, we will investigate the motion of a minibus taxi. Relationship between acceleration and force A minibus taxi driver is waiting for the traffic lights to change. When the lights turn green, the driver pulls away and moves forward. Th Investigate the relationship between: Independent = Force applied (N) Dependent = Extension of a spring (m) Control = material of spring, measuring points You need to convert the mass attached to the spring to a weight before you plot the graph. The relationship is directly proportional Required Practical - Acceleration 1

Force and Acceleration Protoco

Trolley A moving at 3.5 m s−1 strikes trolley B, What does your graph tell you about the relationship between the acceleration of the body and the force applied to it? 36. [2005 OL] In an experiment to investigate the relationship between force and acceleration a student applied a force to a body and measured the resulting acceleration. Evaluate the force of the driving mass (thrust) using F = mg (where g is 9.80 N/kg). Comment on how this compares to the experimentally determined net force and explain any difference. Discussion Point 3: State if the experimentally determined net force is constant or if it changes with the total mass of the trolley There are several force acting on this system, but the only one that is not cancelled and leads to an acceleration is the weight of M 2, so F = g*M 2; So, to summarize, we have a mass M = M 1 + M 2 being accelerated by the weight of M2. Thus you can measure the acceleration and the force is known 3. Give the trolley a small push to start it moving. 4. Adjust the angle of inclination of the runway until the trolley moves with constant velocity - the spots on the tape are all equidistant. 5. Most ticker timers make 50 spots per second. Therefore the time interval between two adjacent spots is 0.02 s. 6. Measure the length s of ten. Newton's second law describes the affect of net force and mass upon the acceleration of an object. Often expressed as the equation a = Fnet/m (or rearranged to Fnet=m*a), the equation is probably the most important equation in all of Mechanics. It is used to predict how an object will accelerated (magnitude and direction) in the presence of an unbalanced force

Suggested practical - investigating acceleration down a

Study the relationship between position, velocity and acceleration of a moving cart. Newton's Second Law P-4 ver. 3.14.7 Motion logger sensor (NUL-213) Study the relationship between force, mass and acceleration according to Newton's second law. Use different masses and examine the results. Motion of a Cart in an Inclined Plane P-5 ver. 3.0. PHYS 1401 - General Physics 1. Laboratory # 4. Newton's Second Law . Introduction In this experiment, we shall investigate the connection between force and acceleration. As we have discussed in class, accelerations are caused by unbalanced forces. If we are familiar with the unbalanced forces acting on an object, we can calculate its acceleration, and vice versa The motion of a mass attached to a spring is an example of a vibrating system. In this Lesson, the motion of a mass on a spring is discussed in detail as we focus on how a variety of quantities change over the course of time. Such quantities will include forces, position, velocity and energy - both kinetic and potential energy

Q & A: Trolley on Ramp Department of Physics

3 points. Newton's First Law. Newton's Second Law. Newton's Third Law. Every action has an equal and opposite reaction. If the resultant force is zero, the object will remain at rest or constant velocity. The acceleration of an object is proportional to the resultant force acting on the object, and inversely proportional to the mass of the object S8P3. Students will investigate relationship between force, mass, and the motion of objects. b. Demonstrate the effect of balanced and unbalanced forces on an object in terms of gravity, inertia, and friction. 9. Maureen is trying to move a heavy box by pushing it across the floor. Which of the following forces opposes the movement of the box Resources by Type. Resources by Investigation. Investigation 1: Here to There. Students are introduced to motion as a change of position, and distance as the magnitude of a change in position. They work with air trolleys to define terms, gather and graph data, and analyze outcomes wnet force and acceleration when the total mass is kept constant w total mass and acceleration when the net force is kept constant 5.1 The student can analyze data to identify patterns or relationships. Students analyze the graphs to identify the relationship between the variables 5.3 The student can evaluate the evidence provided by data sets.

Required practical - Forces, acceleration and Newton's

In an experiment to investigate the relationship between the force F applied to a trolley and its acceleration a, the following results were obtained. F / N 0.5 1.0 1.5 2.0 2.5 3.0 a / m s-2 0.82 1.63 2.46 3.26 4.07 4.89 Describe how the force was applied and the acceleration was measured. (12) Draw a suitable graph to show the relationship. UTC Physics 1030L: Friction, Work, and the Inclined Plane 40 The magnitude of the frictional force, Ff, on an object, can also be described by: Ff = μN (eq. 3) where μ is the coefficient of friction. If the block is at rest, we say that the force of static friction, Fs is acting to counterbalance the weight component in the x-direction, and the coefficient of friction is tha The size and direction of the static friction force cannot be determined without knowing the other relevant forces for a given situation. An inclined plane with a slope θ exerts a normal force N=mg cos θ on a body with mass m. If the body is at rest (or moving with constant speed), the upward friction force must be F= m That is, f s (max) = μ s N. f s (max) = μ s N. Static friction is a responsive force that increases to be equal and opposite to whatever force is exerted, up to its maximum limit. Once the applied force exceeds f s (max), the object will move. Once an object is moving, the magnitude of kinetic friction fk is given by 2.Adjust the slope so that the trolley will move with constant velocity if given an initial impulse. 3.Move one of the weights from the trolley to the pan. Note the weight in the pan{this is the force Fwhich causes the trolley to aceclerate. 4.Measure the acceleration of the trolley as it moves down the slope (see previous experiment)

Specified practical - determining the acceleration of a

In this science activity, you will explore the relation between time and distance traveled when a moving object is under gravity's constant acceleration. Background. You know from experience that. To get a relationship between the up and down acceleration, let me start with the usual model for friction. This says that the magnitude of the frictional force is equal to the product of the.

Newton's Second Law - Practical Report: To determine the

Acceleration and velocity. Newton's second law says that when a constant force acts on a massive body, it causes it to accelerate, i.e., to change its velocity, at a constant rate component responsible for causing an object to move along a circular path. • Calculate the magnitude of a centripetal acceleration. e. Develop and use a model to describe the mathematical relationship between mass, distance, and force as expressed by Newton's Universal Law of Gravitation. SP3 the garage between levels, and not just on the flat surface. Scientists often use Newton's laws of motion to understand the relationship between the net force exerted on an object on an incline plane, its inertial mass, and its acceleration. Acceleration is equal to the rate of change of velocity with respect to time, and veloc Angular acceleration and centripetal force. If an object is moving with constant speed in circular motion, it is not going at constant velocity. That's because velocity is a vector. Although its magnitude remains the same, its direction varies continuously. Because its velocity is changing, we say it is accelerating. That sounds odd

HS-PS2-1 Analyze data to support the claim that Newton's second law of motion describes the mathematical relationship among the net force on a macroscopic object, its mass, and its acceleration. Clarification Statement: Examples of data could include tables or graphs of position or velocity as a function of time for objects subject to a net unbalanced force, such as a falling object, an. Physics Experiment: Force, Mass, and Acceleration Materials: laboratory cart, 50-g mass hanger, 50 and 100 g masses, string, LabQuest, photogate, smart pulley, dual-pan balance. Introduction. This is the beginning of our dealings with Newton's laws of motion. We will explore the reasons why objects move as they do, not just how they move Take-Home Experiment: Force Standards To investigate force standards and cause and effect, get two identical rubber bands. Hang one rubber band vertically on a hook. Find a small household item that could be attached to the rubber band using a paper clip, and use this item as a weight to investigate the stretch of the rubber band Galileo's Acceleration Hypothesis. Having established by the above arguments and experiments that a falling body continues to pick up speed, or accelerate, as it falls, Galileo suggested the simplest possible hypothesis (paraphrasing the discussion on TNS page 161): . A falling body accelerates uniformly: it picks up equal amounts of speed in equal time intervals, so that, if it falls from. Newton's laws of motion describe the relationship between the forces acting on a body and its motion due to those forces. For example, if your car breaks down and you need to push it, you must exert a force with your hands on the car in order for it to move. The laws of motion will tell you how quickly the car will move from your pushing The magnitude of centripetal acceleration is: a = v 2 /r where r is the radius and v is the constant speed. As the radius becomes larger, the direction changes more slowly, meaning a smaller acceleration. In this experiment, the relationship between frequency and radius, mass and centripetal force is, 1.

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