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Q. If $ O_{2}^{{}} $ , then the angle between A and B is

JamiaJamia 2015

Solution:

$ M\propto {{F}^{a}}{{L}^{b}}{{T}^{c}} $ $ [{{M}^{1}}{{L}^{0}}{{T}^{0}}]=k{{[ML{{T}^{-2}}]}^{a}}{{[L]}^{b}}{{[T]}^{c}} $ $ a=1,a+b=0 $ $ b=-1,2a+c=0 $ $ c=0 $ $ \therefore $ $ [F{{L}^{-1}}{{T}^{2}}] $