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sanjana mane Grade:
        

why is the final potential energy of a chain of mass m hanging down a plain negative?

6 years ago

Answers : (2)

SAGAR SINGH - IIT DELHI
879 Points
										

Dear student,


Finally the chain will have potential energy of mgl...































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6 years ago
paradox xyz cool
29 Points
										

For potential energy ( U )  you can take any plain as the zero level (origin), not necessary ground.


Length of the object is considered from that plain. 


If u consider U=0 for the plain below which the chain is hanging then the potential energy of the chain will be negative.


I might be wrong, but I think I am right. plzzz approve if i am right.

6 years ago
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