Laws of Motion

Related Questions

• A body of mass 2 kg is hung on a spring balance mounted vertically in a lift. If the lift descends with an acceleration equal to the acceleration due to gravity ‘g’, the reading on the spring balance will be

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• A wagon weighing 1000 kg is moving with a velocity 50km/h on smooth horizontal rails. A mass of 250 kg is dropped into it. The velocity with which it moves now is

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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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• The motion of a rocket is based on the principle of conservation of

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• A vehicle of 100 kg is moving with a velocity of 5 m/sec. To stop it in $\frac{1}{{10}}\sec $, the required force in opposite direction is

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