Mechanical REC Study Guide Latest Update Graded A+

Mechanical REC Study Guide Latest Update Graded A+ Rack and pinion gear example Steering system in cars Spur gear example Used in a parallel shaft gear train Bevel gear example Hand drills Parallel helical gear example Used for high speed or high torque applications like transmission Herringbone gear example Power transmissions and heavy machinery Worm gear example Gates and conveyor belts Gear ratio formula driven gear/driving gear Idler gear Has no effect on the overall gear ratio Compound gear ratio Ratio 1 x Ratio 2 Torque equation Force x distance Mechanical advantage definition Force-amplifying effectiveness of a simple machine or tool Mechanical advantage equation output force/input force First class lever fulcrum (pivot point) between the effort and the load Second class lever the load is between the fulcrum and the effort Third class lever the effort between the fulcrum and the load Displacement equation pi(1/2 x bore)^2 x stroke x number of cylinders