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TABLEOFCONTENTS MECHANICS MECHANICSMECHANICALPROPERTIESOF BODIES(Cont.) 113TermsandDefinitions 114UnitSystems162WorkandPower 114Gravity163CentrifugalForce 116Metric(SI)System167BalancingRotatingParts 118ForceSystems167StaticandDynamicBalancing 118ScalarandVectorQuantities167BalancingCalculations 118GraphicalResolutionofForces168MassesinSamePlane 120CouplesandForces170MassesinTwoorMorePlanes 121Resolutionofforcesystems171BalancingLatheFixtures 122SubtractionandAdditionofForce 126ForcesinTwoorMorePlanesFLYWHEELS 127ParallelForces173Classification 128NonparallelForces173EnergybyVelocity 130Mechanisms174FlywheelDesign 130Inclinedplane,Wedge174FlywheelsforPresses,Punches 132LeversandShears 133Toggle-joint176DimensionsofFlywheel 134WheelsandPulleys177SimplifiedFlywheelCalculations 135DifferentialPulleyandScrew178CentrifugalStressesinFlywheel MECHANICALPROPERTIESOF179CombinedStressesinFlywheel BODIES179ThicknessofFlywheelRims 180SafetyFactors 136PropertiesofBodies180SafeRimSpeeds 136Formulasforcenterofgravity181SafeRotationSpeeds 143MomentsofInertia182BurstingSpeeds 144Polarmomentsofinertia183StressesinRotatingDisks 146RadiusofGyration183SteamEngineFlywheels 151CenterandRadiusofOscillation184EngineFlywheel 151CenterofPercussion184SpokesorArmsofFlywheels 151VelocityandAcceleration185CriticalSpeeds 151ConstantVelocity186CriticalSpeedFormulas 152LinearMotionwithAcceleration187AngularVelocity 153RotaryMotionwithAcceleration187LinearVelocityofPointsona 154Force,Work,Energy,andRotatingBody Momentum 154AccelerationsbyUnbalancedPENDULUMS Forces188TypesofPendulums 156TorqueandAngularAcceleration189PendulumCalculations 156Energy189PendulumFormulas 158ForcesandCouples 158WorkandEnergyFRICTION 159ForceofaBlow 160ImpulseandMomentum190LawsofFriction 191CoefficientsofFriction 191RollingFriction 191StaticFrictionCoefficients 112 MECHANICS113 MECHANICS ThroughouttheMechanicssectioninthisHandbook,bothEnglishandmetricSI dataandformulasaregiventocovertherequirementsofworkingineithersyste