The bar illustrated below has a cross section with a constant with EA 1200 KN. a...
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The bar illustrated below has a cross section with a constant with EA 1200 KN. a = 2 m, b = 5 m, c = 2 m. The load, w = 14 kN/m and the stiffness of the spring on the right hand side is k = 1100 kN/m. a W b C A The overlap at A (D1) (m, internal sense): Multiple Choice Answer: (type in your multiple choice answer, e.g. a, b, c or d) a. 0.0286 b. 0.3885 c. 0.2625 d. 0.5233 The redundant force pair at the release (use internal convention) (kN, internal sense): Multiple Choice Answer: (type in your multiple choice answer, e.g. a, b, c or d) a.-31.2162 b. -27.2033 c. -54.2747 d. -50.4269 Analyse the bar using the stiffness method, by including a lock at A, and find: The locking force at A (KN, positive right): Multiple Choice Answer: (type in your multiple choice answer, e.g. a, b, c or d) a. -35 b. -14.5541 c. -56.2291 d. -25.9409 The displacement of point A due to the reverse of the locking force (m, in positive right): Multiple Choice Answer: (type in your multiple choice answer, e.g. a, b, c or d) a. 0.04 b. 0.0284 c. 0.002 d. 0.004 The bar illustrated below has a cross section with a constant with EA 1200 KN. a = 2 m, b = 5 m, c = 2 m. The load, w = 14 kN/m and the stiffness of the spring on the right hand side is k = 1100 kN/m. a W b C A The overlap at A (D1) (m, internal sense): Multiple Choice Answer: (type in your multiple choice answer, e.g. a, b, c or d) a. 0.0286 b. 0.3885 c. 0.2625 d. 0.5233 The redundant force pair at the release (use internal convention) (kN, internal sense): Multiple Choice Answer: (type in your multiple choice answer, e.g. a, b, c or d) a.-31.2162 b. -27.2033 c. -54.2747 d. -50.4269 Analyse the bar using the stiffness method, by including a lock at A, and find: The locking force at A (KN, positive right): Multiple Choice Answer: (type in your multiple choice answer, e.g. a, b, c or d) a. -35 b. -14.5541 c. -56.2291 d. -25.9409 The displacement of point A due to the reverse of the locking force (m, in positive right): Multiple Choice Answer: (type in your multiple choice answer, e.g. a, b, c or d) a. 0.04 b. 0.0284 c. 0.002 d. 0.004
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