When a trebuchet counterweight is hoisted by soldiers, what form of energy is transferred into the machine as work?

And trade experts recreate a medieval throwing machine called a trebuchet. ... The potential energyfrom the raised counterweight is transformed into kinetic ... that was stored in the raised counterweight is transferred, in the form of kinetic energy, ... Design a working model of a trebuchet and demonstrate the power of a  ...throwing machine called a trebuchet. To ... how well their designs will work. ... Where does the potential energy in the lever arm come from? ... To put a trebuchet into its “cocked” position, a team of people use their energy to hoist ... was stored in the raised counterweight is transferred, in the formof kinetic energy , to the.