A rod of mass m and length l is held vertical. Find its gravitational potential energy with respect to zero potential energy at its lower end. A rod of mass m and length l is held vertical. Find its gravitational potential energy with respect to zero potential energy at its lower end. October 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related