statics

Related Questions

• A body of weight W rests on a rough plane, whose coefficient of friction is $\mu (=\tan \lambda )$ which is inclined at an angle $\alpha $ with the horizon. The least force required to pull the body up the plane is

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• Two forces of magnitudes $P+Q$ and $P-Q$Newton are acting at an angle of ${{135}^{o}}$. If their resultant is a force of 2 Newton perpendicular to the line of action of the second force, then

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• The resultant of two forces P and Q is at right angles to P, the resultant of P and ${Q}'$ acting at the same angle $\alpha $is at right angles to ${Q}'$. Then,

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• If the angle $\alpha $ between two forces of equal magnitude is reduced to $\alpha -\frac{\pi }{3}$, then the magnitude of their resultant becomes $\sqrt{3}$times of the earlier one. The angle $\alpha $is

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• There is a system of coplanar forces acting on a rigid body represented in magnitude, direction and sense by the sides of a polygon taken in order, then the system is equivalent to

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