A drill bit can become very hot when one is drilling a hole in a metal plate. If we take the system to be the drill bit, does heat flow into or out of the system?
A) Heat flows into the system.
B) Heat flows out of the system.
C) No heat flows in either direction.

Question

Quizplus · Accepted Answer

Heat flows out of the system because the drill bit generates heat due to friction and work being done on the metal plate, causing its temperature to rise. This excess heat then dissipates into the surrounding environment.

A Drill Bit Can Become Very Hot When One Is