Force and Motion Vocab

Front

What is Newton's 1st Law of Motion?

Back

An object at rest will remain at rest and an object in motion will remain in motion unless acted upon by an unbalanced force.

Front

What is Newton's 2nd Law of Motion?

Back

The acceleration of an object depends on the mass of the object and the amount of force applied. It is often expressed as F=ma.

Front

What is Newton's 3rd Law of Motion?

Back

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

Front

What is a force?

Back

A push or pull on an object that may change the motion of the object.

Front

What is gravity?

Back

A force that pulls all objects that have mass towards one another.

Front

What is air resistance (drag)?

Back

The frictional force air exerts against a moving object.

Front

What is mass?

Back

The amount of matter in an object, usually measured in kilograms.

Front

What is weight?

Back

The force exerted by gravity on an object, calculated as weight = mass x gravity.

Front

What is net force?

Back

The overall force acting on an object when all the individual forces are combined.

Front

What is friction?

Back

A force that opposes the motion of an object when it is in contact with another surface.