Newton's Law test review

Front

What is Newton's Third Law of Motion?

Back

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

Front

Define balanced forces.

Back

Two individual forces of equal magnitude and in opposite directions, so the object’s motion does not change.

Front

What is inertia?

Back

The resistance of any physical object to change its state of motion.

Front

What is friction?

Back

The resistance to motion that one object has in relation to another.

Front

What happens when an unbalanced force acts on an object?

Back

The object's motion changes.

Front

What is the force exerted by a baseball on a bat if the bat hits the baseball with a force of 100 N?

Back

100 Newtons, opposite direction.

Front

What is the role of a hammer's head being made of steel?

Back

It provides weight and strength to create a strong force for driving nails.

Front

What is the force of gravity?

Back

The force that pulls objects toward the center of the Earth.

Front

What is an example of an unbalanced force?

Back

A person pushing a stationary car, causing it to move.

Front

What is the effect of air resistance on a falling object?

Back

It opposes the motion of the object, slowing it down.