Civil Engineering :: Applied Mechanics
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If three rigid rods are hinged together to form a triangle and are given rotary as well as translatory motion, the number of instantaneous centres of the triangle, will be
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The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through
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When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as
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The resultant of two forces P and Q acting at an angle θ, is
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To attain the synchronous orbit, the launch of a satellite, is done from a place
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The vertical reaction at the support A of the structure shown in below figure, is
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Pick up the correct statement from the following :
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If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is
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The total time of collision and restitution of two bodies, is called