Is it true that when a carpet is beaten with a stick, dust comes out of it due to friction?

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True

False

answer is B.

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Detailed Solution

The above statement is false.
When the carpet is beaten, dust comes out of it due to inertia of motion and not due to the force of friction. Inertia is the inherent property of a body to remain in its state of rest or uniform motion. When a carpet is beaten with a stick, it is suddenly set into motion. The dust particles remain at rest due to the inertia of rest. Therefore, dust comes out of it.
The correct statement would be that when a carpet is beaten with a stick, dust comes out of it due to the inertia of motion of the carpet.

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