SummaryMomentum…is a amount that defines an object"s resistance to protecting against (a type of "moving inertia").is represented by the symbol p (boldface).is the product of one object"s mass and velocity.
p=mvis a vector amount (since velocity is a vector and mass is a scalar).Impulse…is a amount that describes the impact of a net force acting on an item (a type of "moving force").is stood for by the price J (boldface).is the product of the mean net pressure acting on an object and that duration.
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J=F∆tis the force-time integral.
J=∆pIf massive is constant, then…
F∆t=m∆vIf mass is changing, then…
Fdt=mdv+vdmUnitsThe SI unit of impulse is the newton second.The SI unit of momentum is the kilogram meter every second.These systems of impulse and also momentum space equivalent.
|2ndlaw||force lawF=ma||impulse-momentum theoremJ=∆p|
|3rdlaw||action-reaction+F1=−F2||conservation that momentum∑p=∑p0|
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