What is F·ΔT (F triangle T)?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
F·ΔT or F×Δt represents impulse, the product of force and the time interval over which it acts. Impulse euals the change in momentum: F·Δt = ΔP = mv - mu. This concept is essential in understanding collisions and impacts. A large force acting for a short time (like a hammer blow) can produce the same momentum change as a small force acting for a long time.
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