Laws of Motion

Related Questions

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

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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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• 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 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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• Gravels are dropped on a conveyor belt at the rate of 0.5 kg/sec. The extra force required in newtons to keep the belt moving at 2 m/sec is

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