Quote:
Originally Posted by ke5frf  LOL that's because**it is** the same thing! Isn't that what a definition is????
I have given you tons of examples of work/energy, and force and how they relate, and so have a few others who posted. How much more clear can this be? I mean, I really want to help!
OK one more example, and I'll use an electric example.
You connect an electric AC motor to a generator. The generator creates power, which is voltage and current (pressure and flow). When the motor spins, we say that it has become energized...it is in a state of energy, having the capacity to do work. Some of that energy being released in the form of heat, some of it mechanical movement. And when the motor shaft actuates a belt which drives a conveyor (the load), we say that it is actually doing work. The torque and speed of the rotor as it reacts to the load (the belt) we will call force.
pressure, flow, work, force, energy, potential.
See how one concept is related to the next, yet they aren't the same?
I can't explain this any better. I'm beginning to think you are waiting for the answer that agrees with your original post, which isn't going to be the case! |
No No, don't get me wrong. You actually already said what I want. The argument I had with somebody was whether
"the Potential from a to b, electric potential that is, is the energy per unit charge, associated with transporting said charge from a to b"
is a correct statement or not. I say it is correct, but he insists in using the word work instead of energy.
Remember, you actually supported my thinking when you said: "I actually think, your original definition is incorrect. ie "potential difference is the work needed to move one electrical charge from one point to another"...The word work is incorrect here, and energy would be a better word but still not technically correct"
I want to use this page to prove him wrong that's all.
And it is not about me understanding, I fully understand the difference as I'm an engineer myself. I just want somebody else ( I see this site as a very decent source of information and I highly respect its knowledgeable members) to support my thinking.
Anyways, I can't force you to post here anymore. I can't be more grateful to you. Thanks a million.
sram
30th October 2009, 08:07 PM
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