EXAMIANS
A stone is whirled in a vertical circle, the tension in the string, is maximum
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A uniform pyramid and a uniform prism of same height lie with their base on the surface. Which is more stable ?
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Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are:
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A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be
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If a set of given forces are such that their free vectors build a closed polygon, then
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The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is
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A system of coplanar forces acting on a rigid body can be reduced to
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The forces which meet at one point and have their lines of action in different planes are called
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Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down
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In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively
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