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Q. 7

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 543

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Short Answer

Shows two different processes taking an ideal gas from state i to state f.

Is the work done on the gas in process A greater than, less than, or equal to the work done in process B? Explain.

The work done of A process is greater than the work done of B process

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Step by Step Solution

Step 1: Principal of the work done energy

Work done of a rigid body define the positive work for increasing kinetic energy that make a resultant force act on the rigid body.

Step 2: Finding the reason of the difference of work done of two process

The work done has been seen due to transfers of energy between system and environment. It is positive when the energy transfer from environment to system and negative when the energy goes from system to environment

The work done in the pV graph, W is negative area between and .

in the A process, the area is large as well as work done is larger than B process. due to this reason, The work done of A process is greater than the work done of B process

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