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The work-energy theorem states that the net work on a system equals the change in:
ATotal mass
BApplied force
CElapsed time
DKinetic energy
Answer & Solution
Correct answer: D. Kinetic energy
1. Net force causes acceleration, and net work causes a change in motion energy.
2. Net force causes acceleration, as Newton's laws describe.
3. The net work on a system equals the change in a specific quantity.
4. That quantity is defined to be the translational kinetic energy of a moving mass.
_Source: OpenStax College Physics for AP Courses 2e (CC BY 4.0), Ch 7 'Work, Energy, and Energy Resources', sections 7.1-7.9_
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