Mechanical Engineering :: Engineering Mechanics
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If the masses of both the bodies, as shown in the below figure, are doubled, then the acceleration in the string will be
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The loss of kinetic energy during inelastic impact, is given by(where m1 = Mass of the first body,m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.)
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The centre of gravity of a hemisphere lies at a distance of 3r / 8 from its base measured along the vertical radius
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The above figure shows the three coplaner forces P, Q and R acting at a point O. If these forces are in equilibrium, then -
Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is
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A.
\(\frac { P } { sin\beta } = \frac { Q } { sin\alpha } = \frac { R } { sin\gamma}\) |
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B.
\(\frac { P } { sin\alpha } = \frac { Q } { sin\beta } = \frac { R } { sin\gamma}\) |
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C.
\(\frac { P } { sin\gamma} = \frac { Q } { sin\alpha } = \frac { R } { sin\beta}\) |
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D.
\(\frac { P } { sin\alpha } = \frac { Q } { sin\gamma} = \frac { R } { sin\beta}\) |