A force of 500N1 is applied to a steel wire of cross-sectional area 0.2m2, The tensile stress is
-
A.
2.5×104Nm-2 -
B.
1.0×102Nm-2 -
C.
1.0×103Nm-2 -
D.
2.5×103Nm-2
Correct Answer: Option D
Explanation
(Stress = frac{Force}{Area})
(Stress = frac{500}{0.2} = 2500)
= 2.5 x 103Nm-3
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