1.1 Calculate the internal force in section AC (to 3 significant figures) whe...
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An aluminium (E = 70 GPa) post with a diameter 50 mm. It is securely attached to a structure at A and B. A coiled spring (spring constant 156 MN/m) that is originally uncompressed (before P is applied) is placed over section CB, between the rigid collar at C and the fixed support at B. The lengths LAC = 0.23 m and LBC = 0.37 m.
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1.1 Calculate the internal force in section AC (to 3 significant figures) when a load P of 43 kN is applied at the collar at C.
A positive value indicates a tensile force.
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