EXAMIANS
The phenomenon of collision of two elastic bodies takes place because bodies
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If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will
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The angle of friction is:
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A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is
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A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec2. Time required to traverse a distance of 1.5 m, is
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A geo-stationary satellite is one which orbits the earth with a velocity of rotation of
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The centre of gravity of a quadrant of a circle lies along its central radius at a distance of
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Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by
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M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is
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If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be
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