Kashmir Messages 466 Reaction score 74 Thread starter Jun 15, 2023 #1 Homework Statement Found it on internet, couldn't understand why it works Relevant Equations $Sigma T. x=0$
haruspex Science Advisor Homework Helper Insights Author Gold Member Messages 42,952 Reaction score 10,551 Jun 15, 2023 #2 Consider the work done on the (ideal) pulleys.