222s 2nd law.pptx)mrneddo.weebly.com/uploads/1/1/8/1/11811574/3-newtons_2nd_law… · Increasing force increases acceleration; increasing mass decreases acceleration. a 10 kg a 10

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NEWTON’S 2ND LAW

GRADE HOMEWORK

� Identifying Forces

FORCE NET

�We know that the acceleration is due to ALL of

the forces acting on an object

� The net force is the total of all of the forces

� If there are any forces in both dimensions, just

do vector addition, as before

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NORMAL FORCE

Fnorm1Fnorm2

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Fnorm1

Fnorm2

Fnorm3,4

SIMPLE NORMAL FORCE

Fnorm = Fgrav

HOMEWORK