statics

Related Questions

• 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 rough inclined plane has its angle of inclination equal to ${{45}^{o}}$ and $\mu =0.5$ .The magnitude of the least force in kg wt, parallel to the plane required to move a body of 4kg up the plane is

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• In a right angled triangle one side is thrice the other side in length. The triangle is suspended by a string attached at the right angle. The angle that the hypotenuse of the triangle will make with the vertical is

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• In a triangle ABC three forces of magnitudes $3\overrightarrow{AB},\ 2\overrightarrow{AC}$and $6\overrightarrow{CB}$are acting along the sides AB, AC and CB respectively. If the resultant meets AC at $D$, then the ratio DC : AD will be equal to

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• A heavy uniform rod, 15cm long, is suspended from a fixed point by strings fastened to its ends, their lengths being 9 and 12 cm. If $\theta$ be the angle at which the rod is inclined to the vertical, then $\sin \theta =$

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