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22-03-2020
Physics

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Why do we use average force while solving momentum problems? How is net force related to the momentum of the object?

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22-03-2020

So net force is all forces acting on an object and that would make sense with momentum. Say you’re pushing on a box at 100 N but your friend pushes back with 20 N. You wouldn’t plug in 100 N and find the momentum because there is something pushing back on it and it wouldn’t give you the true momentum

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