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A force $F$ is given by $F = at + b{t^2}$, where $t$ is time. What are the dimensions of $a$ and $b$
  • A$ML{T^{ - 3}}$ and $M{L^2}{T^{ - 4}}$
  • B$ML{T^{ - 3}}$ and $ML{T^{ - 4}}$
  • C$ML{T^{ - 1}}$ and $ML{T^0}$
  • D$ML{T^{ - 4}}$ and $ML{T^1}$
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