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# A thermodynamic system undergoes a cyclic process as shown ISBN: 9780321675460 31

## Solution for problem 17E Chapter 19

University Physics | 13th Edition

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Problem 17E

A thermodynamic system undergoes a cyclic process as shown in ?Fig. Q19.24?. The cycle consists of two closed loops: I and II. (a) Over one complete cycle, does the system do positive or negative work? (b) In each loop, is the net work done by the system positive or negative? (c) Over one complete cycle, does heat flow into or out of the system? (d) In each loop, does heat flow into or out of the system? Explain.

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Solution 17E In a cyclic process, total work is positive if the process is clockwise and negative if the process is counterclockwise. (a) The system does positive work over one complete cycle. (b) Loop I In this loop, the area enclosed by the clockwise part is larger than the area enclosed by the counterclockwise part. Hence the net work will be positive. Loop II In this loop, the area enclosed by the counterclockwise part is larger...

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##### ISBN: 9780321675460

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