Friction

Force the opposes motion between 2 surfaces

• force

• Newton

• friction

• net force

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

• similar

• opposite

• parallel

• west

The amount of friction depends on the weight of the objects pressing together.

• True

• False

When most objects with smooth surfaces rub, there is less friction.

• True

• False

Smooth surfaces such as ice, usually produce less friction.

• true

• false

How does friction affect speed?

• more friction decreases speed

• more friction increases speed

• less friction decreases speed

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

On which surface will a toy car travel the furthest?

• Carpet

• Polished Wood

• Ice

Friction is a force created by-----

• pushing

• rubbing

• gravity

Without friction a toy car would ----

• keep going and going.

• stop right away.

• stay at rest all the time.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What surface would make the least friction for a soccer ball?

• a carpet

• the grass

• a gym floor