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To reduce the bending of a beam, it is more effective to increase its:
AColour
BDepth
CBreadth
DLength
Answer & Solution
Correct answer: B. Depth
1. Sag depends on the cube of the depth.
2. It depends only linearly on breadth.
3. So depth matters more.
_Source: NCERT Class 11 Physics Part II, Chapter 9, Mechanical Properties of Solids._
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