Y3_w4L1:Friction day 1

Multiple Choice

What is friction force?

• it opposes or slows down the moving object

• it speed up the moving object

Multiple Choice

Friction is created in ______

• one object

• two objects in contact

Multiple Choice

The rougher the surface___

• less friction

• more friction

Multiple Choice

Friction produces ___ like rubbing hands.

• heat

• cool

Multiple Choice

The push is forward, the direction of friction is ____

• forward

• backward

Multiple Choice

The bicycle moves forward and the brake direction is _____

• forward

• backward

Multiple Choice

What does friction do to moving object?

• It speeds up

• it slows down

• it floats

Multiple Choice

Describe the two surfaces

• carpet its rough more friction

• plastic its soft more friction