Laws of Motion

Related Questions

• A rider on horse back falls when horse starts running all of a sudden because

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• Two trolleys of mass m and 3m are connected by a spring. They were compressed and released once, they move off in opposite direction and comes to rest after covering distances ${S_1}$and ${S_2}$ respectively. Assuming the coefficient of friction to be uniform, the ratio of distances ${S_1}:{S_2}$ is

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• A 30 gm bullet initially travelling at 120 m/s penetrates 12 cm into a wooden block. The average resistance exerted by the wooden block is

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• A cannon after firing recoils due to

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• A man is standing on a weighing machine placed in a lift. When stationary his weight is recorded as 40 kg. If the lift is accelerated upwards with an acceleration of $2\,m/{s^2}$, then the weight recorded in the machine will be $(g = 10\,m/{s^2})$

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