Yes, as long as you include the work done by ALL forces acting. This is the so-called "work-energy" theorem. (There are some subtleties, which I won't confuse you with.)henry3369 said:1. Is equation (1) always correct even if the potential energy of the object is also changing?
No.henry3369 said:2. Is equation (2) always going to have a small value than Wnet?
No.henry3369 said:And is Wnc always 0 if Wnet is zero?
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