Question

Put a few pencils parallel to each other on the table. Put a book on it. Now push the

book. You notice that pencils start rolling as the book moves. You feel it is easier to

move the book in this way than to slide it. Why? Give reason to support your answer.​

Answer 1

Answer:

friction decreases

Explanation:

friction is directly proportional to area contact.

As area of contact decreases, friction also decreases