Mechanical Engineering :: Engineering Mechanics
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The centre of gravity of a trapezium with parallel sides a and b lies at a distance of y from the base b, as shown in the below figure. The value of y is
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A machine having an efficiency less than 50%, is known as
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The total momentum of a system of masses (i. e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called
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The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is
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