Laws of Motion

Related Questions

• If mass of $A = 10\,\,kg$, coefficient of static friction = 0.2, coefficient of kinetic friction = 0.2. Then mass of B to start motion is

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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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• If rope of lift breaks suddenly, the tension exerted by the surface of lift (a = acceleration of lift)

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• An elevator weighing 6000 kg is pulled upward by a cable with an acceleration of $5\,m{s^{ - 2}}$. Taking g to be $10\,m{s^{ - 2}}$, then the tension in the cable is

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• An object with a mass 10 kg moves at a constant velocity of 10 m/sec. A constant force then acts for 4 second on the object and gives it a speed of 2 m/sec in opposite direction. The acceleration produced in it, is

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