A mass m is placed at P at a distance h along the normal through the centre O of a thin circular ring of mass M and radius r as shown in figure. A mass m is placed at P at a distance h along the normal through the centre O of a thin circular ring of mass M and radius r as shown in figure. September 19, 2020 Category: Chapter 7 - Gravitation , NCERT Exemplar Class 11 , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related