statics

Related Questions

• Three forces P, Q, R act along the sides BC, CA, AB of triangle ABC, taken in order. If their resultant passes through the incentre of $\Delta ABC$, then

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• A circular ring having radius 3 cm hanged 4 cm above the centre of ring by four strings on equal interval of circumference. If angle between two consecutive strings is $\theta $, then $\cos \theta $ will be

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• Two men carry a weight of 240 Newton between them by means of two ropes fixed to the weight. One rope is inclined at ${{60}^{o}}$to the vertical and the other at ${{30}^{o}}$. The tensions in the ropes are

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• Two equal forces act at a point. If the square of the magnitude of their resultant is three times the product of their magnitudes, the angle between the forces is

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• A horizontal force F is applied to a small object P of mass m on a smooth plane inclined to the horizon at an angle $\theta$. If F is just enough to keep P in equilibrium, then F =

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