Lab: Motion

Question 1

Write a hypothesis for Part I of the lab, which is about the effect on an object being carried by a car, when the car experiences a sudden impact. Use the format of "if . . . then . . . because . . . ” and be sure to answer the lesson question "How can Newton's laws be experimentally verified?” specific to Newton’s first law.

Revolt · Accepted Answer

If an object is in motion, then the object will stay in motion because the object has inertia.

Question 2

What did you include in your hypothesis? Check all that apply.

Revolt · Accepted Answer

A: defines Newton’s first law; B: mentions the motion of objects; C: provides a reason for the object’s motion; D: mentions inertia

Question 3

Write a hypothesis for Part II of the lab, which is about the relationship described by F = ma. In the lab, you will use a toy car and apply forces to it. Use the format of "if . . . then . . . because . . .” and be sure to answer the lesson question "How can Newton's laws be experimentally verified?” specific to Newton’s second law.

Revolt · Accepted Answer

If force is applied to a car, then its acceleration will change proportionally, as predicted by Newton’s second law, F = ma.

Question 4

Obtain a copy of the Student Guide for this lab. Your teacher may provide a copy, or you can click the link to access it. Be sure to read the entire Student Guide for this lab. Did you read the Student Guide carefully?

Revolt · Accepted Answer

A: yes

Question 5

The independent variable, the one that is intentionally manipulated, is .

Revolt · Accepted Answer

A: an encounter with the barrier

Question 6

From point A to point B, the car will .

Revolt · Accepted Answer

A: accelerate

Question 7

The acceleration of the car with two washers added to the string would be .

Revolt · Accepted Answer

0.33

Question 8

Which statements are part of the safety protocol for this lab experiment? Check all that apply.Always wear safety goggles when performing an experiment.Use caution when releasing the cars, being careful not add additional force.Ramps should be equipped with an incline as well as a decline for balance.Ensure that the track has enough room and will not interfere with others in your class.Gloves should be worn to protect your hands when catching cars at the base of the track.Report all accidents to the teacher.

Revolt · Accepted Answer

A: Always wear safety goggles when performing an experiment.; B: Use caution when releasing the cars, being careful not add additional force.; D: Ensure that the track has enough room and will not interfere with others in your class.; F: Report all accidents to the teacher.

Question 9

What did you include in your question? Check all that apply.

Revolt · Accepted Answer

A: Newton’s laws; B: experimentation; C: verification of Newton’s laws; D: may mention collecting data

Question 10

What did you include in your hypothesis? Check all that apply.

Revolt · Accepted Answer

A: a statement of Newton’s second law; B: a formula representing Newton’s second law; C: mentions force; D: mentions acceleration

Lab: Motion Answers

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