.The level of a common steel yard without hook connections weights 7kg and acts at 5cm to the leftof the fulcrum. The hook which carries the load, weights 4kg and is also attached on the lefthand side of the fulcrum at a distance of 12cm .if graduation mark 72cm from the fulcrum reads50kg.Find (a).the weight of rider(b).How far is the zero graduation from fulcrum(c).What is themovement of rider per kg of graduation.

Rana sufyan iqbal , 4 Years ago

Grade 12th pass