A polyethylene bar (E 5 1.4 GPa, ? 5 0.4) of diameter 80 mm is inserted in a steel tube of inside diameter 80.2 mm and then compressed by axial force P. The gap between steel tube and polyethylene bar will close when compressive load P is approximately:

(A) 18 kN

(B) 25 kN

(C) 44 kN

(D) 60 kN


(C) 44 kN

Physics & Space Science

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