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What best describes an impulse acting on an object?
the net force on an object divided by the time of impact
the velocity of an object divided by its mass
the product of an object's mass and the time of force impact
the product of an object's mass and its change in velocity
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Correct answer: the product of an object's mass and its change in velocity.
Reason: Impulse J = ∫F dt and equals the change in momentum Δp. For constant mass, Δp = m Δv, so impulse = m × change in velocity.
Reason: Impulse J = ∫F dt and equals the change in momentum Δp. For constant mass, Δp = m Δv, so impulse = m × change in velocity.
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