statics

Related Questions

• Three parallel forces P,Q, R act at three points A,B, C of a rod at distances of 2m, 8m and 6m respectively from one end. If the rod be in equilibrium, then $P:Q:R$=

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• If forces of magnitude P, Q and R act at a point parallel to the sides BC, CA and AB respectively of a $\Delta ABC$, then the magnitude of their resultant is

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• The moment of a system of coplanar forces (not in equilibrium) about three collinear points A,B,C in the plane are ${{G}_{1}},{{G}_{2}},{{G}_{3}}$then,

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• A light string of length l is fastened to two points A and B at the same level at a distance ‘a’ apart. A ring of weight W can slide on the string, and a horizontal force P is applied to it such that the ring is in equilibrium vertically below B. The tension in the string is equal to

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• Two like parallel forces P and 3P act on a rigid body at points A and B respectively. If the forces are interchanged in position, the resultant will be displaced through a distance of

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