Question

A book is lying on the table. What is the angle between the action of the book on the table and reaction of the table on the book? A) 0 B) 30 C) 90 D) 180

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Answer 1

Answer:

The direction of action is vertically upwards. The reaction of table is on the book. The angles are hence, 90° + 90°. Therefore, total angle between the two forces is 180°

Explanation:

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