As per your syllabus, work done by a force perpendicular to the displacement (e.g. centripetal force in UCM) is which?
AMaximum
BEqual to F d
CHalf F d
DZero
Answer & Solution
Correct answer: D. Zero
Your syllabus: cos 90° = 0
⇒ W = 0. Centripetal force does no work in uniform circular motion.
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