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When a carpet is beaten with a stick, dust comes out of it. Explain.

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Question

When a carpet is beaten with a stick, dust comes out of it. Explain.

Short Answer
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Solution

  • The inertia of an object tends to resist any change in its state of rest or state of motion.
  • When a carpet is beaten with a stick, then the carpet comes into motion. But the dust particles try to resist their state of rest.
  • According to Newton’s first law of motion, the dust particles stay in a state of rest while the carpet moves. Hence, the dust particles come out of the carpet.
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Chapter 8: Force and Laws of Motion - Exercises [Page 97]

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NCERT Science [English] Class 9
Chapter 8 Force and Laws of Motion
Exercises | Q 2. | Page 97

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