Laws of Motion

Related Questions

• A boy sitting on the topmost berth in the compartment of a train which is just going to stop on a railway station, drops an apple aiming at the open hand of his brother sitting vertically below his hands at a distance of about 2 meter. The apple will fall

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• The linear momentum p of a body moving in one dimension varies with time according to the equation $p = a + b{t^2}$ where a and b are positive constants. The net force acting on the body is

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• A rocket can go vertically upwards in earth's atmosphere because

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• A parachutist of weight ‘w’ strikes the ground with his legs fixed and comes to rest with an upward acceleration of magnitude 3 g. Force exerted on him by ground during landing is

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• The average force necessary to stop a bullet of mass 20 g moving with a speed of 250 m/s, as it penetrates into the wood for a distance of 12 cm is

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