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Q.

The book doesn’t move when we take out a piece of paper from under a book with a jerk because of the


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a

Inertia of rest

b

Inertia of motion

c

velocity

d

friction 

answer is A.

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Detailed Solution

The book doesn’t move when we take out a piece of paper from under a book with a jerk because of the inertia of rest.
Initially, the objects, the book and the paper, were kept at rest. According to the inertia of rest, if a body is at rest, it tends to be at rest when an external force is applied to it. Hence when the paper is taken out with a jerk, the books tend to be at rest because of the inertia of rest and as a result, it doesn’t move.
 
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