Task id12863

Task id12863

In a cylinder with cross section 5, closed by a piston with mass M, there is a load of nitrogen at temperature T and pressure P. What is the friction force between the piston and the walls of the cylinder if, in order to move the piston, the gas is supplied with an amount of heat Q. Atmospheric pressure is equal to Po, and the specific heat capacity of nitrogen at constant volume is Cv.

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