Question

A book is lying on the table. What is the angle between the action of the book on the table and weight of the book:

• A. $0^{°}$
• B. $45^{°}$
• C. $90^{°}$
• D. $180^{°}$

Answer 1

Answer: (A)

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.