Question

what good things is friction used for

Answer 1

Uses of Friction. Although you normally hear about trying to reduce or eliminate friction, it actually has some important uses. Since friction is a resistance force that slows down or prevents motion, it is necessary in many applications where you might want to hold items or do things and prevent slipping or sliding.

Answer 2

Answer

friction is used in shoes

1. driving in a car
2. writing with pen and paper causes friction
3. walking