Units and Measurements

Question: The force \[F\] on a sphere of radius \['a'\] moving in a medium with velocity \['v'\] is given by \[F = 6\pi \eta av\]. The dimensions of \[\eta \] are



1) \[M{L^{ - 1}}{T^{ - 1}}\]
2) \[M{T^{ - 1}}\]
3) \[ML{T^{ - 2}}\]
4) \[M{L^{ - 3}}\]
Solution: Explanation: Explanation
dimensions

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