For a simply supported beam of length L, the bending moment M is descr – McqOptions

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1.	For a simply supported beam of length L, the bending moment M is described as M = a (x - x³/L²), 0 ≤ x < L; where a is a constant. The shear force will be zero at
A.	the supports
B.	x = L/2
C.	x = L/√3
D.	x = L/3
Answer» D. x = L/3

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