Forces

What is the unit to MEASURE force?

• Kilogram

• Meter

• Pounds

• Newton

If these teams are pulling with the same amount of force what will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

What force ultimately slows the roller coaster to a stop?

• Applied
• Normal
• Friction
• Magnetic

When an object is moving, friction acts in the _______ direction as the motion.

• perpendicular

• same

• opposite

• precise

A type of friction that occurs when air pushes against a moving object it to decelerate.

• surface area

• air resistance

• velocity

• gravity

A contact force is from

• objects physically touching

• far apart objects

• not touching object

• always a pull

The three examples pictured are of

• Non-contact Forces

• Contact Forces

The force between the phone and the mount is a

• contact force

• non-contact force

A force is ____.

• a push or pull that can cause movement

• a magnet

• when someone does not work