A) Inertia of rest keeps the dust in its position and the dust is removed by moment of the carpet away
B) Inertia of motion removes the dirt.
C) No inertia is involved in it due to practical experience
D) None of these
Correct Answer: A
Solution :
While dusting a carpet we suddenly jerk or beat it with a stick because inertia of rest keeps the dust in its position and the dirt is removed by moment of the carpet away.
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