Per NCERT §5.7 / 5.8, a force is CONSERVATIVE if work done over a closed path equals which value?
AEqual to KE gained
BZero
CHalf of mgh
DMaximum
Answer & Solution
Correct answer: B. Zero
NCERT §5.7 + 5.8 + Points 4: conservative force ⇒ ∮F·dl = 0 over closed path. Path-independent.
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