Forces Review

Front

What is force?

Back

A push or a pull on an object.

Front

What are the two types of forces?

Back

Contact Forces and Non-contact Forces.

Front

What is an example of a contact force?

Back

Applied force.

Front

What is an example of a non-contact force?

Back

Gravity.

Front

What keeps the planets in orbit around the sun?

Back

Gravity.

Front

What happens to the speed of an object on a rough surface?

Back

The object will travel slower.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What is balanced force?

Back

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

Front

What is unbalanced force?

Back

Forces that are not equal, causing a change in motion.

Front

What is the effect of gravity on objects?

Back

It pulls objects towards each other.