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 2 years ago
in an atwood machine case when one of the block descends by a distance h over a pulley with a particular mass and moment of inertia does the tension force (which is different in the 2 parts of the string connecting the blocks) do any work??
 2 years ago
in an atwood machine case when one of the block descends by a distance h over a pulley with a particular mass and moment of inertia does the tension force (which is different in the 2 parts of the string connecting the blocks) do any work??

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VincentLyon.Fr
 2 years ago
Best ResponseYou've already chosen the best response.1dw:1357247606005:dw Yes, they do. But so do –T1 and –T2. Since the string is inextensible, powers of T1 and –T1 cancels out. So do powers of T2 and –T2. So whole system, including pulley is conservative.

srijit
 2 years ago
Best ResponseYou've already chosen the best response.0so in any case work done by an inextensible string is 0?

VincentLyon.Fr
 2 years ago
Best ResponseYou've already chosen the best response.1String has to be inextensible and massless too.

VincentLyon.Fr
 2 years ago
Best ResponseYou've already chosen the best response.1Here is a summary of usual assumptions with tensions and pulley that I wrote last April to answer a question similar to yours.

srijit
 2 years ago
Best ResponseYou've already chosen the best response.0yeah got it crystal clear!
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