Question

a table top, the book exerts a
weight W (action) on the table in direction
AB downwards and the table balances it by an
Lau
DR (REACTION)
A.
TABLE TOP
С
BW (ACTION)
Fig. 3.13 Action and reaction on a book lying on a table​

Answer 1

Answer:

Sir Newton's third law of motion states that for an action there is always an equal & opposite reaction. These two forces always act on different objects. When a book is kept on a table weight (gravitational force) of book acts on a table vertically downwards & as a reaction of weight table exerts an equal and opposite ( upward) force on book.

Hope it helps you bro...