1.

The span of a cantilever beam is 2 m. The cross-section of the beam is a hollow square with external sides 100 mm; and its I = 4 × 105 mm4. The safe bending stress for the beam material is 100 N/mm2. The safe concentrated load at the free end would be

A. 100 N
B. 200 N
C. 300 N
D. 400 N
Answer» E.


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