statics

Related Questions

• Like parallel forces act at the vertices A, B and C of a triangle ABC and are proportional to the lengths BC, AC and AB respectively. The centre of the force is at the

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• A body consists of a solid cylinder with radius a and height a together with a solid hemisphere of radius a placed on the base of the cylinder. The centre of gravity of the complete body is

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• Three coplanar forces each equal to P, act at a point. The middle one makes an angle of ${{60}^{o}}$with each one of the remaining two forces. If by applying force Q at that point in a direction opposite to that of the middle force, equilibrium is achieved, then

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• Three forces P, Q and R acting on a particle are in equilibrium. If the angle between P and Q is double the angle between P and R, then P is equal to

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• If the angle $\alpha $ between two forces of equal magnitude is reduced to $\alpha -\frac{\pi }{3}$, then the magnitude of their resultant becomes $\sqrt{3}$times of the earlier one. The angle $\alpha $is

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