Objects
Situations and Calculations
True or False
100

Which of the following is an example of a balanced force?

A) A car speeding up

B) A ball being kicked

C) A book sitting on a table 

D) A car turning a corner

C) A book sitting on a table

100

If a box is 15 N to the left and 15 N to the right which way is the box going?

The box will remain in its original position.

100

To change the direction of a moving object, a net force must be applied. (True or False)

True

200

What does the inertia of an object depend on?

Mass

200

A 850 N skydiver is experiencing 200 N of air resistance. What is the net force on the skydiver?

650 N

200

All objects have inertia. (True or False)

True

300

What kind of force must act on an object to change its motion, either its speed or direction?

Unbalanced force

300

A rolling ball stops on a flat surface. What kind of force causes it to stop?

Friction

300

Inertia is a force that causes objects to move. (True or False)

False