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A very large force acting for a very short time is described as an:

AInternal force
BInsulating force
CImpulsive force
DInertial force
Answer & Solution
Correct answer: C. Impulsive force
1. The blow is brief but heavy. 2. It still produces a finite change in momentum. 3. Such a force is called an impulsive force. _Source: syllabus Physics Part I, Chapter 5, Laws of Motion._
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