Zaria Jenkins- ForceActivity1

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Dec 6, 2023

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From The Physics Classroom’s Physics Interactive http://www.physicsclassroom.com Force Interactive Frictionless Situations Purpose : The purpose of this activity is to investigate the variables that affect the acceleration of an object and the manner in which those variables affect the acceleration. Background : When forces are unbalanced, objects accelerate. But what exactly affects the acceleration of the object? You will explore this question by running a collection of simulations in the absence of friction. Set the friction value to 0.00 and run the following trials. Collect sufficient velocity-time information (fifth column) for determining the acceleration in the last column. Data: Trial Applied Force (N) Mass (kg) Net Force (N) Velocity-time Information Acceleration (m/s/s) 1 10.0 2.0 10.00 N (1.0 s, 5.00 m/s) (5.0 s, 25.00 m/s) 5 m/s^2 2 20.0 2.0 20.00 N (1.0 s, 10.00 m/s) (5.0 s, 50.00 m/s) 10 m/s^2 3 40.0 2.0 40.00 N (1.0 s, 20.00 m/s) (4.0 s, 80.00 m/s) 20 m/s^2 4 60.0 2.0 60.00 N (1.0 s, 30.00 m/s) (3.0 s, 90.00 m/s) 30 m/s^2 5 80.0 2.0 80.00 N (1.0 s, 40.00 m/s) (3.0 s, 120.00 m/s) 40 m/s^2 6 100.0 2.0 100.00 N (1.0 s, 50.00 m/s) (3.0 s, 150.00 m/s) 50 m/s^2 7 40.0 1.0 40.00 N (1.0 s, 40.00 m/s) (3.0 s, 120.00 m/s) 40 m/s^2 8 40.0 3.0 40.00 N (1.0 s, 13.33 m/s) (4.0 s, 53.33 m/s) 13.33 m/s^2 9 40.0 4.0 40.00 N (1.0 s, 10.00 m/s) (5.0 s, 50.00 m/s) 10 m/s^2 10 40.0 5.0 40.00 N (1.0 s, 8.00 m/s) (5.0 s, 40.00 m/s) 8 m/s^2 Use the collected data to answer the questions in the Analysis section. ©The Physics Classroom, All Rights Reserved

From The Physics Classroom’s Physics Interactive http://www.physicsclassroom.com This document should NOT appear on other websites. Analysis: 1. What affect does a doubling of the net force have upon the acceleration of the object? Be quantitative. (Don't just say it decreases or increases; indicate the factor by which acceleration decreases or increases.) When the applied force is doubled, it is evident from trials two and three that the acceleration also doubles. In these trials, the applied force increased from 20.00N to 40.00N, resulting in an acceleration increase from 10m/s^2 to 20m/s^2. Identify a set of two trials that support your answer above: 2 and 3 2. What affect does a tripling of the net force have upon the acceleration of the object? Be quantitative. Tripling the applied force results in a tripling of the acceleration, as demonstrated in trials two and four. The acceleration increased from 10m/s^2 to 30m/s^2. Identify a set of two trials that support your answer above: 2 and 4 3. What affect does a doubling of the mass have upon the acceleration of the object? Be quantitative. In trials three and seven, where the applied force remained constant but the mass was doubled, it becomes evident that the acceleration also doubles, transitioning from 40m/s^2 in trial seven to 20m/s^2 in trial three. Identify a set of two trials that support your answer above: 3 and 7 4. What affect does a quadrupling of the mass have upon the acceleration of the object? Be quantitative. Observing trials seven and ten, we notice that when the mass is quadrupled, the acceleration decreases by a factor of five when the mass is heavier. Identify a set of two trials that support your answer above: 7 and 10 4. Lab partners Vera and Bill Confuzzens attempted to use Trials 5 and 8 to show the affect that a doubling of force has upon the acceleration. Explain why these two trials cannot be used to show the affect of force upon acceleration. ©The Physics Classroom, All Rights Reserved

From The Physics Classroom’s Physics Interactive http://www.physicsclassroom.com These two trials are not directly comparable since they involve different masses, even though the applied force remains constant. This document should NOT appear on other websites. Conclusion: Consider the original question that prompted this investigation: What variables affect the acceleration of an object and in what manner do they affect the acceleration? Make a claim in which you attempt to answer this question. Then support the claim with evidence (specific references to trials of data) and reasoning in which you explain how the data support the claim that you have made. It's worth noting that both the mass and the applied force of an object can have a noticeable impact on its acceleration. This phenomenon is clearly illustrated in trials three and nine, where the applied force remained constant at 40.00N, but the mass doubled from 2.0kg to 4.0kg, resulting in a change in acceleration from 20m/s^2 to 10m/s^2. Additionally, we can observe an increase in acceleration when the applied force varies while the mass remains constant at 2kg throughout trials one to six. ©The Physics Classroom, All Rights Reserved

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