A) \[[{{M}^{1}}{{L}^{2}}{{T}^{-2}}]\]
B) \[[{{M}^{2}}{{L}^{2}}{{T}^{2}}]\]
C) \[[{{M}^{-1}}L{{T}^{-1}}]\]
D) \[[{{M}^{-2}}{{L}^{-2}}{{T}^{-2}}]\]
Correct Answer: A
Solution :
Torque \[t=F\times r\] \[=[ML{{T}^{-2}}]-[L]\] \[=[{{M}^{1}}{{L}^{2}}{{T}^{-2}}]\]
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