Watch video Problem no 2 on Ideal effort, ideal load, effort lost in friction, machine Friction | simple machine online, duration 15 minute 22 second in high sd quality that is uploaded to the channel SOUMEN SIR 31 August 2019. Share the link to the video on social media so that your subscribers and friends will also watch this video. This video clip has been viewed 458 times and liked it 12 visitors.