Mechanical Engineering :: Engineering Mechanics
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The moment of inertia of a solid cylinder of mass m, radius r and length l about the longitudinal axis or polar axis is
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In a screw jack, the effort required to lift the load is given by(where W = Load lifted, α = Helix angle, and Ï = Angle of friction.)
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The terms 'leverage' and 'mechanical advantage' Of a compound lever have got the same meaning.
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A couple produces