Engineering Board Exam Reviewer · Strength of Materials · easy

A cantilever beam 2.5 m long carries a concentrated load of 20 kN at its free end. What is the magnitude of the maximum bending moment, located at the fixed support?

  1. 25
  2. 12.5
  3. 50
  4. 100

Answer

C. 50

Solution

For a cantilever with an end load, Mmax = PL = (20)(2.5) = 50 kN· m.

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