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Physics 21 Online
OpenStudy (saifoo.khan):

in what way is the momentum of a body affected by the resultant acting on it?

OpenStudy (anonymous):

Resultant force?

OpenStudy (saifoo.khan):

yes.

OpenStudy (anonymous):

From Newton's Second Law\[F = {dp \over dt}\]

OpenStudy (saifoo.khan):

can u please elaborate?

OpenStudy (saifoo.khan):

Thanks

OpenStudy (anonymous):

Not really. Newton himself defined net force that way. Modern science defines it as \(F = ma\).

OpenStudy (saifoo.khan):

O ok. thanks. :)

OpenStudy (anonymous):

This is how Newton's Second Law is interpreted today, "The change of momentum of a body is proportional to the impulse impressed on the body, and happens along the straight line on which that impulse is impressed."

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