A man of mass m walks from end A to the other end B of a plank of mass M and length l, placed on a smooth horizontal surface. The coefficient of friction between man and plank is mu as no external in horizontal direction. A man of mass m walks from end A to the other end B of a plank of mass M and length l placed on a smooth horizontal surface. The coefficient of friction between man and plank is mu as no external in horizontal direction. September 21, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related