Laws of Motion

Related Questions

• A force of 750 N is applied to a block of mass 102 kg to prevent it from sliding on a plane with an inclination angle 30° with the horizontal. If the coefficients of static friction and kinetic friction between the block and the plane are 0.4 and 0.3 respectively, then the frictional force acting on the block is

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• A force of 100 dynes acts on a mass of 5 gram for 10 sec. The velocity produced is

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• A body of mass 5 kg starts from the origin with an initial velocity $\overrightarrow {u\,} \, = \,30\hat i + 40\hat j\,m{s^{ - 1}}$. If a constant force $\overrightarrow {F\,} = - (\hat i + 5\hat j)N$ acts on the body, the time in which the y–component of the velocity becomes zero is

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• If in a stationary lift, a man is standing with a bucket full of water, having a hole at its bottom. The rate of flow of water through this hole is ${R_0}.$ If the lift starts to move up and down with same acceleration and then that rates of flow of water are ${R_u}$ and ${R_d},$ then

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• A wagon weighing 1000 kg is moving with a velocity 50km/h on smooth horizontal rails. A mass of 250 kg is dropped into it. The velocity with which it moves now is

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