A beam supported at both ends carries a load at its centre. The bending stress is greatest
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Correct answer to question 46 (Mechanical Comprehension): at the middle of the beam
Method
The beam sags most where the load sits furthest from either support, so the bending is worst at mid-span. That is why a beam is deepest in the middle when its shape is allowed to vary.
Updated: November 2026
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