Newton's First and Third Laws - Quiz Quiz

Question 1

Which best describes the forces identified by Newton’s third law of motion?

Revolt · Accepted Answer

C: equal and acting on different objects

Question 2

A car is moving east along a straight, level road at a constant velocity. Which forces form an action/reaction force pair?

Revolt · Accepted Answer

D: the force of the tires against the road and the force of the road on the tires

Question 3

Lien is pushing a box across a table. She used a force of 100 N to get the box moving. Which force did she overcome to get the box moving?

Revolt · Accepted Answer

D: the reaction force on the box

Question 4

Which situation is contrary to Newton’s first law of motion?

Revolt · Accepted Answer

D: An object at rest stays at rest as long as unbalanced forces act on it.

Question 5

In deep space, there is very little friction. Once they launch a probe into deep space, where there are no external forces acting on it, scientists shut the probe’s engines off because the scientists want the probe to

Revolt · Accepted Answer

C: move at constant velocity.

Question 6

Which object is in static equilibrium?

Revolt · Accepted Answer

B: a book that has no net force acting on it and is sitting on a table

Question 7

A ball strikes a wall. It exerts a force of 10 N to the left against the wall and bounces off. What force does the wall exert on the ball?

Revolt · Accepted Answer

A: 10 N to the right

Question 8

Which statements describe an object in motion that has no external force acting on it? Choose two correct answers.

Revolt · Accepted Answer

B: It moves at a constant speed.; D: It moves in the same direction.

Question 9

Keisha writes that if an object has any external forces acting on it, then the object can be in dynamic equilibrium but not static equilibrium. Which statement best describes Keisha’s error?

Revolt · Accepted Answer

D: An object in either state of equilibrium must have no net force acting on it.

Newton's First and Third Laws - Quiz Quiz Answers

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