Engineering Board Exam Reviewer · Strength of Materials · easy
A simply supported beam 4 m long carries a concentrated load of 20 kN at midspan. What is the maximum bending moment?
- 40
- 10
- 80
- 20
Answer
D. 20
Solution
For a central point load, Mmax = PL/4 = (20)(4)/4 = 20 kN· m.
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