(1)Clutch---todisengagethedrive---toprovideasmoothtake-upofthedrive(2)Gearbox---toincreasethetorqueappliedtothedrivingroadwheels---ooperatewithinagivenrangeofspeedirrespectiveofthevehiclespeed---togivereversemotionofthevehicle---toprovideaneutralpositionsothattheenginecanrunwithoutmovingthevehicle(3)Finaldrive---toturnthedrivethrough90°---othevehicle(4)Differential---toallowtheinnerdrivingroadwheeltorotateslowerthantheouterwheelwhenthevehicleiscornering,,africtionclutchandachange-,othewheels,tosuittheparticularconditionsofrunning,Aclutchperformstwotasks:(1)earchanging.(2)othedrivingwheels,whenavehicleistobemovedfromresttheclutchmustengageastationarygearboxshaftwiththeengine;etotest).CClutchActionTostarttheengine,,,,,,:drivingmember,drivenmember,:,orclutchdisc,
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