The force $F$ is given by the equation $F = at + bt^2$,where $t$ is time. What are the dimensions of $a$ and $b$?
- A$[MLT^{-3}]$ and $[MLT^{-4}]$
- B$[MLT^{-4}]$ and $[MLT^{-3}]$
- C$[MLT^{-1}]$ and $[MLT^{-2}]$
- D$[MLT^{-2}]$ and $[MLT^0]$
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