Thermodynamic and mechanical work

In summary, there is a difference between thermodynamic and mechanical work. Thermodynamic work refers to the work done by a thermodynamic process, while mechanical work refers to the work done by a force. They may show equal values in an experiment, but errors can occur if there are differences in their values due to factors such as friction, heat transfer, and non-conservative forces.
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What is the difference between thermodynamic and mechanical work? Should they show equal values in an experiment? If yes, what possible errors could cause if there is a difference in their values?
 
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WazapMe said:
What is the difference between thermodynamic and mechanical work? Should they show equal values in an experiment? If yes, what possible errors could cause if there is a difference in their values?
[thread moved to the schoolwork forums]

Welcome to PF. Please tell us the definitions of each term that you are familiar with, and tell us what differences you can think of. Per the PF rules, we cannot help you with schoolwork-type questions until you show your best efforts to answer the questions. Thank you. :smile:
 
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1. What is thermodynamic work?

Thermodynamic work is the energy that is transferred from one system to another due to a change in temperature or pressure. It is a form of energy that can be converted into other forms, such as mechanical work.

2. How is thermodynamic work calculated?

Thermodynamic work is calculated by multiplying the force applied to a system by the distance over which the force is applied. This is known as the work formula: W = Fd.

3. What is mechanical work?

Mechanical work is the energy that is transferred from one system to another due to a physical force acting on an object. This can include the movement of an object, such as pushing a box, or the rotation of an object, such as turning a doorknob.

4. How does thermodynamic work relate to the laws of thermodynamics?

Thermodynamic work is directly related to the first law of thermodynamics, which states that energy cannot be created or destroyed, only transferred or converted from one form to another. This means that the work done on a system must equal the change in energy of that system.

5. What are some real-life examples of thermodynamic and mechanical work?

Some examples of thermodynamic work include the expansion of a gas in an engine, the heating of a room by a heater, and the cooling of a drink in a refrigerator. Examples of mechanical work include pushing a lawnmower, lifting weights, and riding a bike.

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