period 8 - Forces Review

Front

What is Newton's Third Law of Motion?

Back

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

Front

What is an example of an action-reaction pair?

Back

When you push a sled forward, the sled pushes back on you with equal force.

Front

True or False: The force a person exerts on a wall is always greater than the force the wall exerts back on the person.

Back

False

Front

Which of the following is NOT a force? a) Push, b) Pull, c) Speed, d) Gravity

Back

c) Speed

Front

True or False: Action-reaction pairs always act on the same object.

Back

False. They act on different objects.

Front

What is a force?

Back

A push or pull that can cause an object to move, stop, or change direction.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N)

Front

What happens to an object at rest when a net force is applied?

Back

It will accelerate in the direction of the net force.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is gravity?

Back

A force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.