Per NCERT, what does POSITIVE work done mean?
AThe displacement is in the SAME direction as the applied force (e.g. pushing a wheelchair forward)
BThe displacement is large
CThe force opposes motion
DThe force is upward
Answer & Solution
Correct answer: A. The displacement is in the SAME direction as the applied force (e.g. pushing a wheelchair forward)
Per NCERT §7.1.2, positive work = force and displacement in the same direction. The other options misstate.
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