Center of Mass

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Key facts for center of mass
David Shipp
Flashcards by David Shipp, updated more than 1 year ago
David Shipp
Created by David Shipp over 5 years ago
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Question Answer
What is the center of mass of a system? Center of mass simplifies systems of objects to treat them as a single point. It is the weighted average of the position of the objects.
How do you estimate the center of mass of 2 unequal mass objects? The center of mass is always proportionally closer to the heavier object. (2M - - -x- - - - - - M)
When the net external force on a system is zero, the velocity of the center of mass ________________ stays constant (this is a variation of Newton's 2nd law)
__________ forces do not affect the velocity of the center of mass of a system, but _____________ forces do. Internal . . . net external (Newton's 2nd law variation)
Objects tend to rotate around their _________ __ ______ when no other pivot point is likely. Center of Mass
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