EXAMIANS
Center of gravity of a thin hollow cone lies on the axis at a height of
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The angular velocity (in rad/s) of a body rotating at N revolutions per minute is
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The point, through which the whole weight of the body acts, irrespective of its position, is known as
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From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the centre of circular plate
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According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then
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A machine having an efficiency greater than 50%, is known as
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A screw jack used for lifting the loads is
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Work done is said to be zero, when
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A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is
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The acceleration of a particle moving with simple harmonic motion is __________ at the mean position.
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