JAMB - Physics (2014 - No. 14)

A force of 500N1 is applied to a steel wire of cross-sectional area 0.2m2, The tensile stress is
2.5x104Nm-2
1.0x102Nm-2
1.0x103Nm-2
2.5x103Nm-2

Explanation

\(Stress = \frac{Force}{Area}\)

\(Stress = \frac{500}{0.2} = 2500\)

= 2.5 x 103Nm-3

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