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Find `F_("net") = GMm[ (1)/(r^(2))+ (1)/(2r^(2))+ (1)/(4r^(2))+ ...... "up to "oo]`. |
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Answer» Correct Answer - `F_("net")= (2GMm)/(r^(2))` `F_("net") = GMm[ (1)/(r^(2)) + (1)/(2r^(2))+ (1)/(4r^(2))+ .....oo]` `= GMm [ (1//r^(2))/(1- (1)/(2))] = (2GMm)/(r^(2))` |
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