statics

Related Questions

• If the forces of 12, 5 and 13 unit-wt balance at a point, two of them are inclined at

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• The centre of mass of a rod of length ‘a’ cm whose density varies as the square of the distance from one end, will be at a distance

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• A uniform ladder of length 70m and weight W rests against a vertical wall at an angle of ${{45}^{o}}$ with the wall. The coefficient of friction of the ladder with the ground and the wall are $\frac{1}{2}$ and $\frac{1}{3}$ respectively. A man of weight $\frac{W}{2}$ climbs the ladder without slipping. The height in metre to which he can climb is

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• Weights 2, 3, 4 and 5 lbs are suspended from a uniform lever 6 ft long at distances of 1, 2, 3 and 4 ft from one end. If the weight of the lever is 11 lbs, then the distance of the point at which it will balance from this end is

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• The greatest and least magnitude of the resultant of two forces of constant magnitude are F and G. When the forces act an angle $2\alpha$, the resultant in magnitudes is equal to

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