Engineering Board Exam Reviewer · Engineering Mechanics · easy
An axial load of 20 kN is applied to a bar with a cross-sectional area of 300 mm2. What is the normal stress in the bar?
- 0.07
- 33.33
- 66.67
- 0.02
Answer
C. 66.67
Solution
= P/A = (20 × 1000 N) / 300 mm2 = 66.67 MPa.
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