EXAMIANS
The centre of percussion is below the centre of gravity of the body and is at a distance equal to
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In order to double the period of simple pendulum, the length of the string should be
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A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of
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Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is
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The velocity ratio of a simple wheel and axle with D and d as the diameters of effort wheel and load axle, is
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If the body falls freely under gravity, then the gravitational acceleration is taken as
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The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at ω radian/s is given by
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Center of gravity of a thin hollow cone lies on the axis at a height of
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A particle inside a hollow sphere of radius r, having coefficient of friction µ can rest up to height of
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In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is
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