statics

Related Questions

• $ABCD$ is a parallelogram. A particle P is attracted towards A and C by forces proportional to PA and PC respectively and repelled from B and D by forces proportional to $PB$and $PD$. The resultant of these forces is

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• The maximum resultant of two forces is $P$ and the minimum resultant is $Q$, the two forces are at right angles, the resultant is

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• 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 sum of the resolved parts of a system of coplanar forces along two mutually perpendicular direction is zero, then the sum of the moment of the forces about a given point

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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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