Laws of Motion

Related Questions

• The force required just to move a body up an inclined plane is double the force required just to prevent the body sliding down. If the coefficient of friction is 0.25, the angle of inclination of the plane is

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• A solid disc of mass M is just held in air horizontally by throwing 40 stones per sec vertically upwards to strike the disc each with a velocity 6 $m{s^{ - 1}}$. If the mass of each stone is $0.05kg$ what is the mass of the disc$(g = 10m{s^{ - 2}}$)

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• A man is standing on a balance and his weight is measured. If he takes a step in the left side, then weight

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• A block A with mass 100 kg is resting on another block B of mass 200 kg. As shown in figure a horizontal rope tied to a wall holds it. The coefficient of friction between A and B is 0.2 while coefficient of friction between B and the ground is 0.3. The minimum required force F to start moving B will be

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• A block of mass 5 kg is on a rough horizontal surface and is at rest. Now a force of 24 N is imparted to it with negligible impulse. If the coefficient of kinetic friction is 0.4 and $g = 9.8\,m/{s^2}$, then the acceleration of the block is

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