Unit 3 Vocabulary Flashcard

Front

Velocity

Back

The speed and direction of a moving object

Front

What is acceleration?

Back

The rate at which velocity changes

Front

What is gravity?

Back

A force of attraction between objects that is due to their masses

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

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 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

Front

What is force?

Back

A push or pull exerted on an object

Front

What is a balanced force?

Back

Equal forces acting on an object in opposite directions