Forces (Friction & Gravity)

Wheels on a skateboard most likely experiences-

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

Sally experiences-

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

Wheels of a shopping cart experience-

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

Swimming fish experience-

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

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

• similar
• opposite
• parallel
• west

Which type of friction occurs when an object moves through a liquid or gas?

• sliding
• fluid
• static
• rolling

Objects balanced on Timmy's head experiences-

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

How does friction affect speed?

• more friction decreases speed
• more friction increases speed
• less friction decreases speed
• less friction doesn't affect speed

Tags

NGSS.MS-PS2-2

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

• surface area
• air resistance
• velocity
• gravity 

Tags

NGSS.MS-PS3-5

What type of friction is not moving?

• static
• sliding
• fluid
• rolling