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A fixed-end beam is subjected to a concentrated load $(P)$ as shown in the figure. The beam has two different segments having different plastic moment capacities $\left(M_{p}, 2 M_{p}\right)$ as shown.


The minimum value of load $(P)$ at which the beam would collapse (ultimate load) is
(A) $7.5 M_{P} / L$
(B) $5.0 M_{P} / L$
(C) $4.5 M_{P} / L$
(D) $2.5 M_{P} / L$


Question ID - 1 | Toppr Answer

A fixed-end beam is subjected to a concentrated load $(P)$ as shown in the figure. The beam has two different segments having different plastic moment capacities $\left(M_{p}, 2 M_{p}\right)$ as shown.


The minimum value of load $(P)$ at which the beam would collapse (ultimate load) is
(A) $7.5 M_{P} / L$
(B) $5.0 M_{P} / L$
(C) $4.5 M_{P} / L$
(D) $2.5 M_{P} / L$

1 Answer - 5876 Votes

3537

Answer Key : (A) -

$7.5 M_{P} / L$



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