Per NCERT §4.5 (Impulse), the IMPULSE J of a force F acting for time Δt equals which quantity?
AF / Δt only
BF × m only
CF × Δt² only
DF × Δt = Δp
Answer & Solution
Correct answer: D. F × Δt = Δp
NCERT §4.5: impulse = force × time = change in momentum (Δp). SI unit N s = kg m s⁻¹.
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