EXAMIANS
In a simple harmonic motion, the position of equilibrium is always
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When two forces, each equal to P, act at 90° to each other, then the resultant will be
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A rigid body suspended vertically at a point and oscillating with a small amplitude under the action of the force of gravity, is called
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Engineer's units of force, is
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The motion of a particle moving with S.H.M. from an extremity to the other, constitutes
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The condilion for a lifting machine to be reversible is that its efficiency should be
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The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is
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The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is
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A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor 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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