AnswersFL-2003310-Physical Science CRLab: Newton's Laws of Motion

Lab: Newton's Laws of Motion Answers

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1
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The independent variable, the one that is intentionally manipulated, is [___].

A
the mass of the car
B
the acceleration of the car
C
the force applied to the car
2
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What did you include in your hypothesis? Check all that apply.

A
defines Newton’s first law
B
mentions the motion of objects
C
provides a reason for the object’s motion
D
mentions inertia
4

✔ firstsecondthird

A
first
B
second
C
third
6

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.

A
Always wear safety goggles when performing an experiment.
B
Use caution when releasing the cars, being careful not add additional force.
C
Ramps should be equipped with an incline as well as a decline for balance.
D
Ensure that the track has enough room and will not interfere with others in your class.
E
Gloves should be worn to protect your hands when catching cars at the base of the track.
F
Report all accidents to the teacher.
8

The independent variable, the one that is intentionally manipulated, is [___].

A
an encounter with the barrier
B
the direction of the washer
C
the distance traveled by the washer
9

acceleratedecelerateX have constant velocity

A
accelerate
B
decelerate
C
have constant velocity
10

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.

Answer:

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.

11

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

A
defines Newton’s first law
B
mentions the motion of objects
C
provides a reason for the object’s motion
D
mentions inertia
12

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.

Answer:

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.

14

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

A
an encounter with the barrier
B
the direction of the washer
C
the distance traveled by the washer
15

The dependent variable, the one that you measure the response in, is .

A
an encounter with the barrier
B
the direction of the washer
C
the distance traveled by the washer
16

From point A to point B, the car will .

A
accelerate
B
decelerate
C
have constant velocity
18

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

A
the mass of the car
B
the acceleration of the car
C
the force applied to the car
19

The dependent variable, the one that you measure the response in, is .

A
the mass of the car
B
the acceleration of the car
C
the force applied to the car

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