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2. Three children are playing on a see-saw. Child A has a mass of 35 kg, child B has a mass of 25 kg and child C has a mass o
0.75 m

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2 m- we Sto AN meg a 12 m 075(25)t 12 (2s) 0.75 me .2928 N E(MA metmc) 2S+2525) C9.8) 833 N

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