Q3. A metal sphere of radius r is dropped into a tank of water. As it sinks at speed v, it experiences a drag force F given by F=krv, where k is a constant. What are the SI base units of k?Physics — Fluid Dynamics — Question 3 of 106A. kgm2s-1B. kgm2s-2C. kgm-1s-1D. kgms-2Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →