statics

Related Questions

• Three coplanar forces each equal to P, act at a point. The middle one makes an angle of ${{60}^{o}}$with each one of the remaining two forces. If by applying force Q at that point in a direction opposite to that of the middle force, equilibrium is achieved, then

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• A body is on the point of sliding down an inclined plane under its own weight. If the inclination of the plane to the horizon be ${{30}^{o}}$ , the angle of friction will be

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• When two equal forces are inclined at an angle $2\alpha $, their resultant is twice as great as when they act at an angle $2\beta $, then

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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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• The resultant of non-parallel forces and a couple in a plane always reduces to

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