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A 2 kg trolley moves at 3 m/s. Multiplying its mass by its velocity gives its:
AMomentum
BManifold
CMagnitude
DMoment
Answer & Solution
Correct answer: A. Momentum
1. Mass times velocity is the definition being used.
2. Two kilograms times three metres per second gives six units.
3. That product is the momentum of the trolley.
_Source: NCERT Class 11 Physics Part I, Chapter 5, Laws of Motion._
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