Direction of heat? Hot to cold Please explain.

[Mallignamius]

Direction of heat? "Hot to cold..." Please explain.

During a college prep class last year, my physics teacher said something about the direction of heat. He asked a student, "Which direction does heat go? From hot to cold, or cold to hot?" I'm pretty sure that's what he asked.

I wish I had spoken up, but I didn't. Now I'm stuck on this. Can you explain this "direction"?

 

[EMAAN]

direction of flow of heat is from hot to cold conventionally .it is due to the reason that every system in nature tries to attain minimum energy.A hot cup of coffee gets cool after sometime or stated another way "the temperature of surronding rises".Its up to u how do u look at nature.

 

[kyle8921]

I can provide a response to this question. Heat is a form of energy that is transferred from one object to another due to a difference in temperature. This transfer of heat always occurs from a higher temperature object to a lower temperature object. This means that heat flows from hot to cold, as the hot object has more thermal energy and will transfer some of it to the colder object until they reach a state of thermal equilibrium. This is known as the second law of thermodynamics. This principle applies to all forms of heat transfer, including conduction, convection, and radiation. Therefore, the direction of heat is always from hot to cold.