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Second law of motion derives 3rd …

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Second law of motion derives 3rd law
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Taniya Kajal 6 years, 7 months ago

Acc. to 3rd law Fab=―Fba Acc to 2nd law Fab=dpA/dt....1 Similarly Fab=dpB/dt...2 Adding 1 and 2 Fab+Fba=(dpA/dt+dpB/dt) =d(pa+pb)/dt Acc to conservation od momentum pA +pB=constant So Fab=―Fba Hence proved
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