EXAMIANS
The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is
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A redundant frame is also called __________ frame.
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During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.
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A pendulum which executes one beat per second is known as
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Coefficient of friction depends upon
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The loss of kinetic energy during inelastic impact, is given by (where m1 = Mass of the first body,m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.)
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A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is
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The C.G. of a solid hemisphere lies on the central radius 3r
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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 energy possessed by a body, for doing work by virtue of its position, is called
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