statics

Related Questions

• 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 direction of three forces $1N$, $2N$ and $3N4 acting at a point are parallel to the sides of an equilateral triangle taken in order, The magnitude of their resultant is

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• A weight W can be just supported on a rough inclined plane by a force P either acting along the plane or horizontally. The ratio$\frac{P}{W}$ , for the angle of friction $\varphi $ , is

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• A sphere of radius r and weight W rests against a smooth vertical wall, to which is attached a string of length l where one end is fastened to a point on the wall and the other to the surface of the sphere. Then the tension in the string 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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