Find force on 1 C charge atOin the figure

Find force on 1 C charge atOin the figure o IC ac 27C64C IC 1m 2m 3m 4m 1000 c

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F =kqQ /r'2 So F1 because of charge 1c Will be k*1*1/1 Similarly F2 'll b k*1*2'3/2'2 And so on till the charge 10c On adding all the forces we get k(1+2+3+4+5+6+7+8+9+10) =55*9*10'9 =495*10'9 Here *represents multiplication And 'represents exponential power
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