GATE XE 2026 XE-D Q87: Mechanics of deformable bodies

A simply supported beam of length

m is subjected to a concentrated moment

kNm at a distance

from the left end as shown in the figure. The elastic-strain energy

of the beam is given by the following expression:

The section modulus of the beam is

Nm².

The absolute value of the slope of the beam at a distance

from the left end is _____ (rounded off to three decimal places).

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