File Assignment3 - ASSIGNMENT NO.3 Assignment problem#1(35...

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ASSIGNMENT NO.3 Assignment problem #1 (35 out of 100) Two cables each having a length L of approximately 40m, support a loaded container of weight W . The cables, whch have effective cross-sectional area A = 48mm 2 and effective modulus of Elasticity E = 160GPa, are identical except one cable islonger than the other when they are hanging separetely and unloaded. The difference in lengths is d = 100mm. The cables are made of steel having an elastoplastic stress-strain diagram with 500 Y σ = MPa. Assume that the weight W is initially zero and is slowly increased by the addition of material to the container. (a) Determine the weight Y W that first produces yielding of the shorter cable. Also, determine the corresponding elongation Y δ of the shorter cable. (b) Determine the weight P W that produces yielding of both cables. Also, determine the elongation P of the shorter cable when the weight W just reaches the value P W . Assignment problem #2 (35 out of 100)
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