Question

Uses and harms of friction

Answer 1

Friction can be useful: friction between our shoes and the floor stop us from slipping. friction between tyres and the road stop cars from skidding. friction between the brakes and wheel help bikes and cars slow down.

Transcript of Friction can be harmful or helpful. -without friction the tires could not push against the ground to move the car forward and the brakes could not stop the car. -holes in your socks and holes at the knee of your jeans. -lubricants are substances that are applied to surfaces to reduce friction between them .