Beam ABED, with a 90 degree angle at B, pinned at A and D, is supported through

Question

Beam ABED, with a 90 degree angle at B, pinned at A and D, is supported through cable BC at B, and is loaded by a 100kg (mass) at E. In this problem, ignore the weight of the beam, the weight of cable BC and the weight of the cable supporting the 100kg mass. For cable BC, E 200GPa, alpha = 10 times 10-6/ degree C and ts diameter is d = 2cm. (a) Find the strain in cable BC imposed by the 100 kg mass. (b) Find the temperature difference Delta T that should be applied to cable BC in order to reduce its strain to zero (c) If the temperature evaluated in (b) it actually applied to BC what will be the stress in cable BC?

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