Newtons Laws and Momentum Unit 1 A2 Physics OCR

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p = mv

p = momentum  (Kgms  )

m = mass  (Kg)

v = velocity (ms  )

Measured in Kgms  and Ns

Vector Quantity - Magnitude and Direction

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Newtons First Law

A force is necessary to change the state of rest or of uniform motion in a straight line of a body

E.G - If stationary, stay stationary unless net force acts on you

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