statics

Related Questions

• Three forces P, Q, R are acting at a point in a plane. The angle between P, Q and Q, R are ${{150}^{o}}$and ${{120}^{o}}$ respectively, then for equilibrium; forces P, Q, R are in the ratio

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• A 2m long uniform rod ABC is resting against a smooth vertical wall at the end A and on a smooth peg at a point B. If distance of B from the wall is 0.3m, then

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• Two forces P and Q acting parallel to the length and base of an inclined plane respectively would each of them singly support a weight W, on the plane , then $\frac{1}{{{P}^{2}}}-\frac{1}{{{Q}^{2}}}$=

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• A rough plane is inclined at an angle $\alpha $ to the horizon. A body is just to slide due to its own weight. The angle of friction would be

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• The resultant of two forces P and Q acting at an angle $\theta $is equal to $(2m+1)$$\sqrt{{{P}^{2}}+{{Q}^{2}}}$; when they act at an angle ${{90}^{o}}-\theta $, the resultant is $(2m-1)$$\sqrt{{{P}^{2}}+{{Q}^{2}}}$; then $\tan \theta $=

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