statics

Related Questions

• A uniform beam of length 2a rests in equilibrium against a smooth vertical plane and over a smooth peg at a distance h from the plane. If $\theta$ be the inclination of the beam to the vertical, then $\sin 3\theta$ is

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• If the resultant of two forces 2P and $\sqrt{2}P$ is $\sqrt{10}P$, then the angle between them will be

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• In a triangle ABC right angled at C, the lengths of sides AC and BC are 3 cm and 4 cm respectively. Parallel forces each equal to P act at the vertices A,B,C and parallel forces each equal to 2P act at the middle points of all the sides of the triangle. The distance of C.G. from the vertex C is

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• If the position of the resultant of two like parallel forces P and Q is unaltered, when the positions of P and Q are interchanged, then

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• 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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