Quiz 6.2 Review: Third Law

 Which of these states the third law of motion?

• Force = mass x acceleration

• For every action, there is an equal and opposite reaction. 

• An object at rest will stay at rest unless acted upon by an outside force.

A balloon is like a rocket because

• they both can fly through the air.

• they both are propelled by air shooting out of a nozzle.

• they both move because of Newton’s third law.

• All of these statements are true.

While you are sitting in your chair, it is

• doing nothing

• pushing back against you

A heavy toy car rolls down a ramp faster than a light toy car. This is an example of

• the first law of motion

• the second law of motion

• the third law of motion

• the fourth law of motion

When you hit a tennis ball, the racquet pushes on the ball and the ball pushes back. This is an example of 

• the first law of motion

• the second law of motion

• the third law of motion

• the fourth law of motion

If there were no friction or gravity, a bullet shot from a gun could keep traveling forever. This is an example of 

• the first law of motion

• the second law of motion

• the third law of motion

• the fourth law of motion