Two small spheres of radii r and 4r fall through a viscous liquid with the same terminal velocity. The ratio between the viscous forces acting on them is. Two small spheres of radii r and 4r fall through a viscous liquid with the same terminal velocity. The ratio between the viscous forces acting on them is. September 20, 2020 Category: Chapter 13 - Fluid Mechanics , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related