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A man places a chain (of mass m and length l) on a table slowly. Initially, the lower end of the chain just touches the table. The man brings down the chain by length l/2. Work done by the man in this process is?Please explain me the concept-

Norman Manchu , 6 Years ago
Grade 10
anser 1 Answers
Arun

Last Activity: 6 Years ago

Dear student
 
When we draw FBD
We get-
W = (m/2)g(l/4) -  mg(l/2)
W = - (3/8)mgl
Regards
Arun (askIITians forum expert)

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