Through the process of doing work, energy can move between the external world and the system as the result of ____.
The sentence is completed with the word FORCES. You have to rewrite the word to make the sentence true (if it is not already true.)
physics - drwls, Sunday, February 20, 2011 at 7:16pm
The process is the doing of mechanical work. This involves forces that cause motion. I can't think of a good single-word answer.
Energy (as work) can also be added or removed by electrical means.