Question

2. Suppose your writing desk is tilted a little, a book kept on it starts sliding down. Show the direction of frictional force acting on it (with diagram)​

Answer 1

Explanation:

Ans. The book moves downwards. The frictional force is acting opposite to the movement of book. So it acts upwards

Answer 2

Answer:

frictional force is acting opposite 2 movement of book then