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a metal beam supported at the two endsis loaded at the centreif Y is the youngs miodulus then the dipression at the centreis propational to ​A) 1/YB)YC)I/Y2D) Y2

aishwarya , 6 Years ago
Grade 11
anser 1 Answers
Arun

Last Activity: 6 Years ago

Depression in the beam is given by 
δ = WL³/4Ybd³ 
Where W is weight , L is length , b is breadth, Y is Young's modulus and d is depth also δ is depression in the beam.
Here it is clear that , 
Depression in the beam is inversely proportional to Young's modulus.
e.g., δ is proportional to 1/Y 
Hence option (A) is correct.
 

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