statics

Related Questions

• The resultant of two like parallel forces P, Q passes through a point O. If the resultant also passes through O when Q and R replace P and Q respectively, then

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• A uniform rod AB of length a hangs with one end against a smooth vertical wall, being supported by a string of length l, attached to the other end of the rod and to a point of the rod vertically above B. If the rod rests inclined to the wall at an angle $\theta $, then ${{\cos }^{2}}\theta =$

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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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• If the resultant of two unlike parallel forces of magnitudes 10 N and 16 N act along a line at a distance of 24 cm from the line of action of the smaller force, then the distance between the lines of action of the forces is

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• If the square of the resultant of two equal forces is equal to $(2-\sqrt{3})$times their product, then the angle between the forces is

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