Contact Forces

Multiple Choice

A ____________ is a push or a pull on an object.

• friction

• force

• magnet

• gravity

Multiple Choice

What is the unit to MEASURE force?

• Kilogram

• Meter

• Pounds

• Newton

Multiple Choice

An object is falling downward through Earth's atmosphere. In which direction is the air resistance force?

• Down

• Up

• Around the object

• Through the object

Multiple Choice

Which of these best describes friction?

• A rubbing force.

• Something that is slippery.

• Gravity.

• Movement across a smooth surface.

Multiple Choice

Name the missing force....

• weight force
• normal force
• frictional force
• tension force

Multiple Choice

The three examples pictured are of

• Non-contact Forces

• Contact Forces

Multiple Choice

What type of force is this man using to push his grocery cart?

• Normal Force

• Gravity

• Air Resistance

• Applied Force

Multiple Choice

Name the missing force...

• tension force
• gravitational force
• normal force
• applied force

Multiple Choice

An icy road has less __________ than a dry road.

• friction

• gravity

• magnetism

• water

Multiple Choice

Gravity is a

• contact force

• noncontact force

Multiple Choice

The force of gravity acting on an object is the object's ______.

• Mass
• Matter
• Weight 
• Terminal velocity 

Multiple Choice

A non-contact force is between

• two objects that aren't touching

• two objects that are touching

• the ground and wheels

• you and me

Multiple Choice

The force between the phone and the mount is a

• contact force

• non-contact force

Multiple Choice

What keeps the planets in orbit around the sun?

• gravity

• friction

• density

• distance

Multiple Choice

The two same charges will _________ each other

• attract

• repel

• opposite

Multiple Choice

Choose the correct reason why the hair stand and attracted to the balloon when the balloon is rubbed to the hair?

• Both balloon and hair are neutral

• Both balloon and hair are same charged

• The balloon is negatively charged and hair is neutral

• The balloon and hair are different charged

Multiple Choice

10. A ball rolls down from the top of a grassy hill, reaches the bottom of the hill, continues to roll, and then starts to slow down and comes to a stop. What forces caused this ball's motion?

• Frictional force caused the ball to roll down the hill, but air resistance caused the ball to slow down and stop.

• Magnetic force caused the ball to roll down the hill, but gravity caused the ball to slow down and stop.

• The force of the hill caused the ball to roll down it, but gravity caused the ball to slow down and stop.

• Gravity caused the ball to roll down the hill, but frictional force caused the ball to slow down and stop.