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Mecnica de Medios Continuos

Ejercicios

1.

2.

Write the traction vectors on the different boundaries in terms of the given values of loads, if

the base vectors are e1, e2 and e3.

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3. The Figure shows two bars, A1=1.7 A2. D1=1.25 inches. L1 = 3 ft., L2=14 inches. The

material is Steel A-3. a) Determine the lowest load P to make one of the bars to reach the

plastic condition and the displacement of point C. b) If the load computed in part a, is

increased by 8 % what is the displacement of point C. c) What is the load P necessary to get

the bars in fully plastic condition. d) If in part b, the load is removed what is the displacement

of point C.

4.