Laws of Motion

Related Questions

• In an elevator moving vertically up with an acceleration g, the force exerted on the floor by a passenger of mass M is

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• A particle of mass 0.3 kg is subjected to a force $F = - kx$ with $k = 15\,N/m.$ What will be its initial acceleration if it is released from a point 20 cm away from the origin

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• A player caught a cricket ball of mass 150 gm moving at a rate of 20 m/s. If the catching process be completed in 0.1 s, then the force of the blow exerted by the ball on the hands of the player is

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• A body of mass M at rest explodes into three pieces, two of which of mass M/4 each are thrown off in perpendicular directions with velocities of 3 m/s and 4 m/s respectively. The third piece will be thrown off with a velocity of

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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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