Does Heating a Frying Pan Change Its Mass?

[pinkie]

Homework Question-Help Please!

I feel kind of silly because this is probably a very basic problem, but I'm having problems with physics in general. Would anyone be able to tell me if I'm on the right track for the following question (we are focusing on Einstein's theories of relativity right now)?

1. Is the mass of a frying pan different when it is hot compared to when it is cold?

Yes it is, as E=mc^2 proves. Because the mass is equivalent to the energy of the object, when the energy increases, so does the mass. As energy increases when an object is heated, the mass of the pan will also increase when it is heated. The mass will decrease when the pan is cool and the energy has decreased.

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I hope I have this right. Lately I feel very hopeless at physics. Any help or comment would be very much appreciated.

 

[learningphysics]

I feel kind of silly because this is probably a very basic problem, but I'm having problems with physics in general. Would anyone be able to tell me if I'm on the right track for the following question (we are focusing on Einstein's theories of relativity right now)?

1. Is the mass of a frying pan different when it is hot compared to when it is cold?

Yes it is, as E=mc^2 proves. Because the mass is equivalent to the energy of the object, when the energy increases, so does the mass. As energy increases when an object is heated, the mass of the pan will also increase when it is heated. The mass will decrease when the pan is cool and the energy has decreased.

~~
I hope I have this right. Lately I feel very hopeless at physics. Any help or comment would be very much appreciated.

Yes, your answer is right.

Don't feel hopeless. This is a very critical concept in relativity, and I didn't understand it until way after finishing school. So you're a step ahead of where I was.

Another example is a compressed spring. The spring has more mass when it is compressed (because of the potential energy) than when it is uncompressed. I initially found this hard to believe even after studying relativity.

 

[thepatientmental]

Hi there,

Don't feel silly at all! Physics can be a challenging subject, and it's completely normal to feel unsure or confused at times.

To answer your question, yes, you are on the right track. According to Einstein's theory of relativity, mass and energy are equivalent and can be converted into each other. This means that as the energy (heat) of the frying pan increases, its mass also increases.

So, when the pan is hot, it will have a slightly greater mass than when it is cold. However, this change in mass is extremely small and not noticeable in everyday situations. It only becomes significant when dealing with objects that have extremely high energies, such as particles in a nuclear reactor.

I hope this helps and don't give up on physics! It takes time and practice to fully understand the concepts, but you'll get there. Keep asking questions and seeking help when needed. Good luck with your studies!