A force of 500N is applied to a steel wire of cross-sectional area 0.2m 2
PHYSICS
JAMB 2014
A force of 500N is applied to a steel wire of cross-sectional area 0.2m2, The tensile stress is
- A. 2.5x104Nm-2
- B. 1.0x102Nm-2
- C. 1.0x103Nm-2
- D. 2.5x103Nm-2
Correct Answer: D. 2.5x103Nm-2
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Tensile :force/area
500/0.2
2500
To convert 2500 to m you divide by 1000
2.5