Engineering Board Exam Reviewer · Strength of Materials · medium
A cantilever beam 3 m long (EI = 15000 kN· m2) carries a concentrated load of 10 kN at its free end. What is the deflection at the free end, in mm?
- 0.38
- 2.25
- 18
- 6
Answer
D. 6
Solution
For a cantilever with an end load, = PL3/(3EI) = (10)(3)3/(3 × 15000) = 0.006 m = 6 mm.
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