Recent content by iatethesun

Hey everyone, I am doing the Engineering specimen paper from Board of Studies and it doesn't have answers so I ask for your help. Thank you. A pre-tensioned concrete beam is to be used in the construction of a ferry wharf.The steel tendons used to pre-tension the beam are 18mm in diameter...

Hey guys, I have question which I am not sure on. During the operation of a windlass, 30 metres of chain are to be wound on to the drum. Determine the work done on the chain if the chain has a mass of 0.5kg/m. What I did was use the potential energy formula: Mgh -> 15 x 9.8 x 30 = 4410 J. The...