Question

A book is placed on a surface and pushed by force
1. in which direction does the friction act in each case ?
2. what does friction do ?
3.is friction the same for all types of surface ?
{ chapter friction / class 8 }

Answer 1

Answer:

1) opposite to the direction of force

2)changes the state of object(changes the state of object from motion to rest)

3)no,it is different for different surfaces