Q

According to the work–energy theorem, if the net work done on an object is zero, then its kinetic energy ________.

RRB Group D 04 Aug, 2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: C Remains unchanged
The work–energy theorem states that net work equals change in kinetic energy. Zero net work therefore means kinetic energy remains unchanged.
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