EXAMIANS
The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be
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In the lever of third order, load W, effort P and fulcrum F are oriented as follows
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The necessary condition for forces to be in equilibrium is that these should be
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According to principle of transmissibility of forces, the effect of a force upon a body is
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Forces are called concurrent when their lines of action meet in
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A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal
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A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to
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Kinetic friction is the
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From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate
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Coulomb friction is the friction between
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