Question

If you j-e-r-k a piece of paper placed under a book very quickly , the book will not move. Why?

Answer 1

Answer:

because the motion of the piece of paper is not imparted to the book. due to inertia of rest the book does not move.

Answer 2

Answer:

here it is ( from topper) you may search over there.

Explanation:

Both Book and piece of paper are initiallu at rest. When sudden jerk is given to a piece of paper which is under book, the motion of piece of paper in not imported to the book. Hence, due ot inertia of rest the book does not move.