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Mathematics 7 Online
OpenStudy (anonymous):

a light rod AB supports a sphere of mass M. The rod is pivoted at A while B is supported by a cord, fixed to the vertical surface at C . The sphere touches the surface rod AB at D and the vertical surface AC at E. Assume lengths of AD and DB are 4 and 6 units respectively. Ð abc = Ð bac = 45° and Ð acb = 90° . If all contact surfaces are smooth find the tension of the cord, T.

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