A block of mass m is placed gently on to a long plank of mass m moving with a velocity v0 on a smooth horizontal floor. If friction is present between M and m A block of mass m is placed gently on to a long plank of mass m moving with a velocity v0 on a smooth horizontal floor. If friction is present between M and m September 21, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related