Question attached.. [ALTS-6 Q37]

Question attached..
[ALTS-6 Q37]

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Grade:12th pass

1 Answers

Chandra Chatterjee
22 Points
8 years ago
When the bar is bent we need to consider the eff length between 2 poles. 
Let the radius of the semicircle be r . So pi r = l.  Now previously M= m*l     Now newM= m*2r.  And r= l/pi.  So newM= 2M/pi

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