A small sphere of radius r falls from rest in a viscous liquid. As a result, heat is produced due to viscous force. The rate of production of heat when the sphere attains its terminal velocity, is proportional to: A small sphere of radius r falls from rest in a viscous liquid. As a result heat is produced due to viscous force. The rate of production of heat when the sphere attains its terminal velocity is proportional to: August 29, 2020 Category: Chapter 13 - Fluid Mechanics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related