EXAMIANS
A machine having an efficiency less than 50%, is known as
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Coefficient of friction depends upon
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The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity.
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The static friction
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A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
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A redundant frame is also called __________ frame.
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If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is
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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 width (b), is
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The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is
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Work done is said to be zero, when
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