Unit 4 and Term 1 Test

A book is at rest on a desk.

The book pushes ______ on the desk.

• up

• down

• left

• right

A book is at rest on a desk.

The desk pushes ______ on the book.

• up

• down

• left

• right

Frictional Force

• Contact Force

• Non-Contact Force

Normal Force

• Contact Force

• Non-Contact Force

A contact force is from

• objects physically touching

• far apart objects

• not touching object

• always a pull

Gravity is a

• Contact Force

• Myth

• Non-contact Force

______________ is a force that always acts in the direction opposite of motion.

• applied

• friction

• gravity

• normal

You are pulled to the surface of the earth due to the force of _________________

• gravity

• friction

• normal force

• contact force

A person is attracted towards the center of Earth by a 440N gravitational force. The force with which Earth is attracted toward the person is

• More than 440N

• Less than 440N.

• The same, 440N.

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force