The net external torque on a system of particles about an axis is zero. Which of the following are compatible with it? The net external torque on a system of particles about an axis is zero. Which of the following are compatible with it? November 27, 2020 Category: Chapter 6 - System of Particles and Rotational Motion , NCERT Exemplar Class 11 , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related