Question

6. The force of friction, that comes into play when a book kept on a collection of cylindrical pencil is moved by pushing is _____.

•Static friction

•Rolling friction

•Limiting friction

•Sliding friction​

Answer 1

Answer:

"When a book is kept on a cylindrical pencil is moved by pushing, the friction present in that process is rolling friction. Rolling friction which is also called as "Rolling Resistance" can be defined as the force which is resisting the motion of an object when the object rolls on any surface.

Explanation: