Friction

Friction

physical science

Multiple Choice

Friction is a force that acts in an ___________ direction of movement.

• similar

• opposite

• parallel

• west

Multiple Select

Friction depends on what 2 factors?

• gravity

• type of surface

• force applied

• amount of time

Multiple Choice

What are the bumps on surfaces of objects that cause friction?

• microwelds

• welding

• microchips

• frictions

Multiple Choice

_____________ friction acts on objects that are not moving.

• sliding

• rolling

• static

• fluid

Multiple Choice

This photo represents...

• Air resistance

• water resistance

• friction force between 2 solid bodies

Multiple Choice

Which type of friction is shown in the picture?

• rolling

• static

• fluid

• sliding

Multiple Choice

Which type of friction is shown in the picture?

• fluid

• static

• rolling

• sliding

Multiple Choice

Sally experiences-

• Rolling Friction
• Sliding Friction
• Fluid Friction
• Static Friction