Force and Motion Vocabulary

Front

What is friction?

Back

A force that opposes motion through direct contact.

Front

What is mass?

Back

The amount of matter a substance or object has.

Front

How is speed calculated?

Back

Speed is calculated by dividing distance by time.

Front

What is gravity?

Back

The force of attraction between any two objects.

Front

What is force?

Back

A push or pull that an object exerts on another object with or without direct contact.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is a balanced force?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

Forces that are not equal and can cause an object to accelerate or change direction.

Front

What is acceleration?

Back

The rate at which an object changes its velocity.