If force F=at+bt2 where t denotes time, the dimensions of a and b shall be
Answer & explanation
Correct answer: option 2
Dimension of at and bt2is same as that of force F.
Dimension of a =dimension of $\frac{F}{T}$ = MLT-3
Dimension of b =dimension of $\frac{F}{T^2}$ = MLT-4