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Question

If the depth of a rectangular beam is reduced to its half, what will be the change in the strain energy of the beam?

(Assume the width of the beam as constant)

A.
8 times
B.
1/8 times
C.
1/4 times
D.
4 times
Answer ( Option A)

8 times

Solution

Strain Energy Due to Bending

If the depth of the beam is reduced to half, then

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