Two horizontal disc of different radii are free to rotate about their central vertical axes. One is given some angular velocioty , the other is stationery. Their rims are now brought in contact. There is friction between the rims . Then the other is stationery. Their rims are now brought in contact. There is friction between the rims . Then Two horizontal disc of different radii are free to rotate about their central vertical axes. One is given some angular velocioty September 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related