問題詳情

37. The aluminum cylinder is 0.10 m2(cross-sectional area) and 0.35 m long. What is the force exerted on its ends if the elongation is0.20 mm? (Young’s modulus of aluminum is 7.0 × 1010 Pa)
(A) 2.00 × 106 N
(B) 4.00 × 106 N
(C) 8.00 × 106 N
(D) 4.00 × 103 N
(E) 2.00 × 103 N

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