Heat flows naturally from

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Study for the Praxis Physics Exam with interactive questions and detailed explanations to enhance your understanding of physics concepts. Prepare for your exam efficiently!

Multiple Choice

Heat flows naturally from

Explanation:
Heat is the transfer of thermal energy driven by a temperature difference. When two objects have different temperatures, energy flows from the hotter one to the cooler one, and this transfer continues until they reach the same temperature. This natural direction occurs without any external energy input and explains everyday cooling and warming: a hot object loses energy to its surroundings until equilibrium is reached. Only if you do work to move energy against the gradient (as in a refrigerator or heat pump) would heat flow the other way. Therefore, heat flows from hotter to cooler.

Heat is the transfer of thermal energy driven by a temperature difference. When two objects have different temperatures, energy flows from the hotter one to the cooler one, and this transfer continues until they reach the same temperature. This natural direction occurs without any external energy input and explains everyday cooling and warming: a hot object loses energy to its surroundings until equilibrium is reached. Only if you do work to move energy against the gradient (as in a refrigerator or heat pump) would heat flow the other way. Therefore, heat flows from hotter to cooler.

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