statics

Related Questions

• A particle is attracted to three points A, B and C by forces equal to $\overrightarrow{PA},\overrightarrow{PB}$ and $\overrightarrow{PC}$ respectively such that their resultant is $\lambda \overrightarrow{PG},$where G is the centroid of $\Delta ABC$. Then $\lambda =$

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• If the resultant of two forces 2P and $\sqrt{2}P$ is $\sqrt{10}P$, then the angle between them will be

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• Like parallel forces act at the vertices A, B and C of a triangle ABC and are proportional to the lengths BC, AC and AB respectively. The centre of the force is at the

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• If two forces $P+Q$and $P-Q$make an angle $2\alpha $with each other and their resultant makes an angle $\theta $with the bisector of the angle between the two forces, then $\frac{P}{Q}$is equal to

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• Three forces of magnitudes 8 N, 5N and 4N acting at a point are in equilibrium, then the angle between the two smaller forces is

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