Per NCERT §4.6, Newton's THIRD law states that action and reaction forces are which?
AEqual magnitude only when bodies are at rest
BEqual magnitude, opposite direction, on different bodies
CEqual magnitude only during physical contact
DEqual magnitude on the same body in equilibrium
Answer & Solution
Correct answer: B. Equal magnitude, opposite direction, on different bodies
NCERT §4.6: F_AB = -F_BA. Acting on DIFFERENT bodies; never on the same body. They never cancel each other since they act on different bodies.
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