Laws of Motion

Related Questions

• A monkey of mass 20kg is holding a vertical rope. The rope will not break when a mass of 25 kg is suspended from it but will break if the mass exceeds 25 kg. What is the maximum acceleration with which the monkey can climb up along the rope $(g = 10m/{s^2})$

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• A lift is moving down with acceleration a. A man in the lift drops a ball inside the lift. The acceleration of the ball as observed by the man in the lift and a man standing stationary on the ground are respectively

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• Mass of a person sitting in a lift is 50 kg. If lift is coming down with a constant acceleration of 10 $m/se{c^2}.$ Then the reading of spring balance will be $(g = 10m/se{c^2})$

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• A rocket is ejecting $50g$ of gases per sec at a speed of $500\,m/s.$ The accelerating force on the rocket will be

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• 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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