Biomechanics: Newton's Laws

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nice thanks, i have an english sac tomorrow and also need to present my plan of understanding for newtons law. A simple explanation is what I needed ^^. You helped heaps. Bless you c:

jishitatashi
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Perfect explanation, so clear and so much good examples for kids

corinnemarguerite
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Okay...how is this calculated? How much compression acts on the patellofemoral joint when the quadriceps exert 350 N of tension and the angle between the quadriceps and the patellar tendon is 120 degrees?

MALNTV