How Everything Works
How Everything Works How Everything Works
 

QUESTIONS AND ANSWERS
 
Question 65

What exactly is the different between momentum and inertia?
Inertia is a concept—the property of an object to resist any change in its velocity. Momentum is a vector quantity—the product of an object's mass times its velocity and an important characteristic of a moving object. Momentum is important because it's conserved and it's conserved in large part because of inertia and related concepts.
         

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