Tripod

Consider a tripod consisting of three uniform bars (legs) of length \(a\) and mass \(m=0.8~\mbox{kg}\), freely jointed at point A. The middle points of the legs of the tripod are joined by 3 massless strings of length \(b\). The tripod rests on a smooth surface while supporting a camera of mass \(M=1~\mbox{kg}\). If \(\frac{a}{b}=4\) determine the tensions \(T\) in Newtons in the strings. Assume \(g=9.8~\text{m}/\text{s}^2\).

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