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[" 19.A metal bar "70cm" long and "4.00k...

[" 19.A metal bar "70cm" long and "4.00kg" in mass supported on two knife-ed the placed "10cm" from "1],[" each end."A6,00kg" weight is suspended at "30cm" from one end.Find the approximate "],[" reactions at he knife-edges.(Assume the bar to be of uniform cross section and homogenenus.) "],[" a) "54N,43N],[" b) "50N,40N],[" d) "AN" ,"30N]

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