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What is the driving force of heat transfer?

I need to know the answer for an exam tomorrow, but I can’t find the information anywhere. How is heat transferred?

avatar
Liz Jenson · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
This isn’t the type of question that we normally answer, but I can definitely try to help you out! The driving force of heat transfer is temperature difference.
This process is called conduction when it takes place between two objects. According to the laws of thermodynamics, heat will flow from high-temperature systems to low-temperature systems unless acted upon by an outside force.
In your car’s engine, for example, heat from the engine is transferred via conduction to the
antifreeze
that runs along the cylinder walls in your car. This is what keeps your engine from overheating!
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MORE: Why your car heater is blowing out cold air
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