Question

A book is lying on the table. What is the angle between the action of the book on the table and the reaction of the table on the book?

• A. $0^?$
• B. $45^?$
• C. $90^?$
• D. $180^?$

Answer 1

Answer: (A)

$0^?$

Answer 2

The weight (W) and the action (A) both will act in same direction and parallel to each other. So the angle between them should be zero.