Give reasons: (a) Carpet is beaten with a stick to clean it, (b) Seat belts are provided in the cars to pjrevent accident (c)A small mass, such as a bullet may kill a person when fired from a gun.
Answers
Answer:
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Explanation:
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Explanation:
ANSWER
When a carpet is beaten with a stick, the dust comes out of it because of law of inertia.
Initially the dust particles are at rest along with the carpet. Beating the carpet with the stick makes the carpet to move but the dust particles remain at rest due to inertia at rest, thus the dust gets detached from the carpet.
When the vehicle suddenly moves, it results in a sudden state of motion of the vehicle. ... Therefore, Seat belts are provided to protect the passengers from falling backward or forward during such situations.
It is so because even if the mass of the bullet is small, it moves out of the gun with a very high velocity, due to which the momentum produced is high (p = mv). This high momentum of the bullet kills a person.