Question

7. Dirty blanket is beaten by stick to remove dust particles. Which law holds good for this (a) Law of conservation of momentum (b) Law of inertia (c) Law of impulse (d) Law of conservation of energy​

Answer 1

Answer:

a) law of inertia

Explanation:

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Answer 2

Law of inertia (option b) holds when a dirty blanket is beaten by stick to remove dust particles

• When the blanket is beaten, due to the motion produced by the stick it comes into a motion state.
• But the dust particles present on the blanket remain in a state of rest due to the law of inertia of rest.
• As a result, the dust particles get removed from the dirty blanket.
• Hence, option b is the correct answer.