Question

A fine light string ABCDE whose extremity A is fixed has weights w and w, attached to it at B and C. It passes round a small smooth peg at D carrying a weght 40KN at the free end E as shown in fig.In the position of equilibrium, BC is horizontal and AB and CD make 150 and 120 with BC, find: (i) tension in the portion AB, BC and DE of the string and (ii) magnitude of w and w

Answer 1

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