3.1 - Vocabulary

Front

What is a force?

Back

A push or a pull on an object

Front

What is a contact force?

Back

A push or a pull on one object by another object that is touching it

Front

Which force directly pushes or pulls on another object?

Back

Applied force

Front

What is friction?

Back

A contact force that resists the sliding motion of two surfaces that are touching

Front

Normal force

Back

A force that supports an object that touches another stable object

Front

What is a noncontact force?

Back

A force that one object can apply to another without touching it

Front

What is gravity?

Back

An attractive force that exists between all objects that have mass

Front

What is magnetism?

Back

The force exerted by magnets when they repel or attract one another