Newton's Laws End of Unit Assessment
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by Melissa Asztalos
| 9 Questions
Note from the author:
This was used at the end of instruction to assess student understanding of Newton's Three Laws of Motion.
A BIG 18 wheeler tractor trailer and a SMALL Mini Cooper are both driving alongside each other on a highway, and both have to come to a stop because of an accident up ahead.
1
1 pt
Which vehicle has more inertia as they come to a stop?
Tractor Trailer
Mini Cooper
They have the same inertia
2
1 pt
Explain WHY your chosen vehicle has more inertia and what that means as each vehicle comes to a stop. Be sure to focus on explaining INERTIA in your answer.

3
2 pts
What will cause the ball's motion to START? What will cause the ball's motion to STOP?
4
1 pt
Is the ball able to change its motion on its own?

A small force is applied to a toy car and it travels a distance of 1.5 meters.

5
2 pts
If I apply a larger force to the same toy car, what do you predict will happen to the speed and distance traveled by the car. WHY?

You are riding your bike around town and are trying to go as fast as you can to beat your friend in a race.

6
3 pts
If the combined mass of you and the bike is 75 kg, and your acceleration is 2.2 m/s^2, how much force did you have to apply to the bike? (Hint: Use the formula: F=ma)

SHOW YOUR WORK to answer the question in the space below!!!

A box is sitting motionless on the table.

7
2 pts
Use ARROWS and LABELS to correctly identify the action AND reaction forces that are occurring between the box and the table. Be sure to be accurate with direction and placement of arrows.

Air is added to a balloon and attached to a straw on a string. The balloon is untied, and someone lets go of the balloon.

8
2 pts
Use ARROWS and LABELS to correctly identify the action AND reaction forces that are occurring when the balloon rocket is in motion?
9
1 pt
Newton's Laws of Motion DO NOT apply in space, since there is no gravity or friction.
True
False
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