Force and Motion

Front

What is force?

Back

A push or pull on an object.

Front

What is motion?

Back

The change in position of an object over time.

Front

What happens when a force is applied to an object?

Back

The object will move in the direction of the force.

Front

What is Newton's 1st Law of Motion?

Back

An object in motion stays in motion and an object at rest stays at rest unless acted upon by a force.

Front

What is friction?

Back

A force that opposes motion between two surfaces that are in contact.

Front

What does friction produce?

Back

Heat.

Front

What is gravity?

Back

A noncontact force that pulls objects toward each other.

Front

What is a contact force?

Back

A force that requires physical contact between two objects.

Front

What is a noncontact force?

Back

A force that can act at a distance without physical contact.

Front

What is an example of balanced forces?

Back

When two people push on a box with equal force in opposite directions, the box does not move.