A block of mass 20 kg is moving on a smooth surface by pulling through a light string of tension 10 root2 N. Find the work done by string on the block for a displacement of 2 m along the surface. A block of mass 20 kg is moving on a smooth surface by pulling through a light string of tension 10 root2 N. Find the work done by string on the block for a displacement of 2 m along the surface. October 28, 2020 Category: Chapter 6 - Work, Energy and Power , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related