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SCIENCE QUESTION PART 8
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Important SCIENCE QUESTION

Ashok Sirohi
I am Asprints of SSC CGL also give CGL Main 2 time.I am teaching last 3 year Math with my trick I have youtube channel with 1.5 MILLION sub

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(1)
U
Unacademy user
deflection ka = PL/ AE ka formula kyun use nhi ho skta yaha..??? plz reply.....
Chetan Apurav
a year ago
Yaha pe jo cross sectional area hai that is varying through out the span. So we will have to integrate it to find the entire value of deflection at any point. And we know ki jis point pe deflection ki value maximum hogi obviously waha pe distortion energy bhi maximum hogi. So that is why we used distortion energy method. And PL/AE me agar aap L=x and I=Bxtcube/12 likhoge to usme dono hi "x" cancel ho jaega.