Answeee this wxperts Share with your friends Share 0 Siddharth Shankar Singh answered this Solution: Viscous force, Fviscous=6πηrv=6πηd2v =6×3.14×18×10-6×0.4×10-32×3 =203.472×10-9 N ≈20.3×10-8 N Hence, the correct answer is option (A) 0 View Full Answer