What is friction?

• the movement of objects over time

• the speeding up of motion when an object slides on a slippery floor

• the resistance of motion when one objects moves in the opposite direction of another

There are four types of friction. What are those four called?

• sliding, rolling, static, and fluid

• slipping, sliding, falling, and fluid

• slipping, sliding, static, and flowing

What type of friction will you have when two objects slide against each other?

• Sliding

• Rolling

• Static

• Fluid

What type of friction will you see when two objects roll across each other?

• Static

• Sliding

• Fluid

• Rolling

What type of friction will you see when air or liquid slows an objects movement?

• Rolling

• Fluid

• Static

• Sliding

What type of friction will you see when an object that is still rests on top of another solid surface?

• Sliding

• Rolling

• Static

• Fluid

What type of friction will slow down the rolling soccer ball?

• Fluid

• Sliding

• Rolling

• Static

Tags

NGSS.MS-PS2-2

What kind of friction will slow down a kid that goes down the slide?

• Static

• Rolling

• Fluid

• Sliding

Tags

NGSS.MS-PS2-2

What kind of friction slows down the movement of the swimmer?

• Fluid

• Static

• Sliding

• Rolling

Tags

NGSS.MS-PS2-2

What type of friction helps this person shoveling snow stand up the ground without slipping?

• Rolling

• Static

• Sliding

• Fluid