Multiple choice

A simply supported beam is subjected to a uniformly distributed load of intensity w per unit length, on half of the span from one end. The length of the spam and the flexural stiffness are denoted as l and El, respectively. The deflection at mid span of the beam is

  1. $\frac{5}{6144} \frac{WI^4}{EI}$
  2. $\frac{5}{768} \frac{WI^4}{EI}$
  3. $\frac{5}{384} \frac{WI^4}{EI}$
  4. $\frac{5}{192} \frac{WI^4}{EI}$
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B Correct answer
Explanation

For a simply supported beam with UDL on half the span, the deflection at mid-span is calculated using standard beam deflection formulas or superposition.

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