Question

what is friction and which are 3 tip frictional force​

Answer 1

friction is rubbing of one surface or thing against another

force which opposes the relative motion is called as frictional force

3 types of frictional force

∆static

∆sliding

∆rolling

Answer 2

In easy way we can say that the friction is a type of force which help us to move .

3 tips are

1. sliding
2. Rolling
3. Static