n balls each of mass m impinge elastically each second on a surface with velocity u. The average force experienced by the surface will be n balls each of mass m impinge elastically each second on a surface with velocity u. The average force experienced by the surface will be September 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related