Force and Motion Vocabulary

Front

What is velocity?

Back

The speed and direction of a moving object.

Front

What is Newton's First Law?

Back

An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

Front

What is Newton's Second Law?

Back

Force = mass x acceleration.

Front

What is Newton's Third Law?

Back

For every action there is an equal and opposite reaction.

Front

What is air resistance?

Back

A force that opposes the motion of objects that move through the air.

Front

What is acceleration?

Back

The rate at which velocity changes.

Front

What is friction?

Back

The resistance that one surface or object encounters when moving over another.

Front

What is mass?

Back

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

Front

What is weight?

Back

The force exerted by gravity on an object, calculated as mass x gravitational acceleration.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.