A string 0.5 m long is used to whirl a 1 kg stone in a vertical circle at a uniform velocity of 5 m/s. What is the tension in the string when the stone is at the top of the circle? A string 0.5 m long is used to whirl a 1 kg stone in a vertical circle at a uniform velocity of 5 m/s. What is the tension in the string when the stone is at the top of the circle? October 29, 2020 Category: Chapter 7 - Circular Motion , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related