Forces

Front

What is the type of force that opposes motion?

Back

Friction

Front

If a person is picking up a book with the force of 50 N and gravity is pulling down with 15 N, what is the net force?

Back

35 N up

Front

A notebook is on a desk. The force of gravity pulling the notebook down is 10 N, and the normal force pushing back up is 10 N. What is the net force?

Back

0 N

Front

What is the net force if there are forces of 200 N left and 150 N right?

Back

50 N left

Front

What do we call forces that have a net force of zero?

Back

Balanced force

Front

What is the force that pulls objects toward each other?

Back

Gravity

Front

What is the force that causes an object to accelerate?

Back

Unbalanced force

Front

What is the term for the force that acts perpendicular to the surface of contact?

Back

Normal force

Front

What is the unit of force?

Back

Newton (N)

Front

What happens to an object when the net force acting on it is not zero?

Back

It accelerates.