In a thermodynamic cycle, the net work done is equal to the:

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Question: In a thermodynamic cycle, the net work done is equal to the:

Options:

Correct Answer: Net heat added to the system

Solution:

In a thermodynamic cycle, the net work done is equal to the net heat added to the system, according to the first law of thermodynamics.

In a thermodynamic cycle, the net work done is equal to the:

In a thermodynamic cycle, the net work done is equal to the:

Step 1: Understand that a thermodynamic cycle is a series of processes that return a system to its original state.
Step 2: Know that during these processes, energy can be added to or removed from the system in the form of heat.
Step 3: Recognize that work is done by the system when it expands and does work on its surroundings, or work is done on the system when it is compressed.
Step 4: Remember the first law of thermodynamics, which states that the change in internal energy of a system is equal to the heat added to the system minus the work done by the system.
Step 5: In a complete cycle, the change in internal energy is zero because the system returns to its original state.
Step 6: Therefore, the net work done in the cycle is equal to the net heat added to the system.

First Law of Thermodynamics – The principle that energy cannot be created or destroyed, only transformed from one form to another, which relates heat added to the system and work done.
Thermodynamic Cycle – A series of processes that involve heat and work interactions, returning the system to its initial state.
Net Work Done – The total work output from a thermodynamic cycle, which can be calculated from the area enclosed by the cycle on a pressure-volume diagram.