statics

Related Questions

• 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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• Let P, 2P and 3P be the forces acting along AB, BC, CA of an equilateral $\Delta ABC$. Suppose R is the magnitude of their resultant and $\theta $the angle made by the resultant with the side BC, then

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• O is the circumcentre of $\Delta ABC$. If the forces P, Q and R acting along OA, OB, and OC are in equilibrium then $P : Q : R$ is

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• A uniform rod AB, 17m long whose mass is 120kg rests with one end against a smooth vertical wall and the other end on a smooth horizontal floor, this end being tied by a chord 8m long, to a peg at the bottom of the wall, then the tension of the chord is

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• Let R be the resultant of P and Q and if $\frac{P}{3}=\frac{Q}{7}=\frac{R}{5}$, then the angle between P and R is

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