friction

How does friction affect speed?

• more friction decreases speed
• more friction increases speed
• less friction decreases speed

Without friction, an object in motion would never stop.

• true

• false

Force the opposes motion between 2 surfaces

• force
• Newton
• friction
• net force

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

• True
• False

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

• True
• False

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

• similar
• opposite
• parallel
• west

How does friction affect speed?

• more friction decreases speed
• more friction increases speed
• less friction decreases speed

The rougher the surface, the faster an object will travel over the surface.

• True
• False

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

• True
• False

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

• True
• False