Axial loads are applied to the compound rod that is composed of an aluminum segm

Question

Axial loads are applied to the compound rod that is composed of an aluminum segment rigidly connected between steel and bronze segments. What is the stress in the Aluminum given that P = 500 lb? Use the following cross sectional areas (values are given in square inches): Bronze (2), Aluminum (4), Steel (2.5).

Axial loads are applied to the compound rod that is composed of an aluminum segment rigidly connected between steel and bronze segments. What is the stress in the Aluminum given that P = 500 lb? Use the following cross sectional areas (values are given in square inches): Bronze (2), Aluminum (4), Steel (2.5).

Explanation / Answer

stress in bronze =3p/A= 3*1500/2=2250 lb /square inches ----compressive stress

stress in aluminium = 2p/A=2*1500/4=750 lb /square inches ---- compressive stress

stress in steel =2p/A=2*1500/2.5=1200 lb /square inches ---- tensile stress

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