Work done problems

  • Thread starter gracy
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  • #1
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Main Question or Discussion Point

In numerical of calculation of work done by/on the system (cylinder piston )
the formula used Work=± p(external pressure)multiplied by change in volume
I want to ask should temperature be constant to apply this formula?I mean is this formula applicable only in isothermal condition?
 

Answers and Replies

  • #2
Suraj M
Gold Member
599
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You can use this formula for work anytime( as far as i know). Other equations can be derived from this depending on whether its isothermal/adiabatic. You got to play around with the basic equation to match the data you have.
Be careful when you come across processes with varying pressure.
 
Last edited:

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