2.20 A 1,2-m Section of aluminium pipe of
cross-sectional area 1100 mm2 rest on a fixed support at A. the 15-mm-diameter steel rod BC hangs from a rigid bar that rests on
the top of the pipe at B. Knowing
that the modulus of elasticity is 200 GPa for steel and 72 GPa for aluminium,
determine the deflection of point C when a 60 kN force is applied at C.
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