Transcription of Work, Energy and Power formulas - VaxaSoftware
1 Work, Energy and Power formulae of a constant force(Force is parallel to displacement)(Work of force of friction) cos xFW xFW xFWFRIC Kinetic energy2 21vmEK Gravitational potential Energy (Near a planet surface)hgmEP Gravitational potential energyrmMEP G Elastic potential energy2 21xkEP Mechanical (total) energyPKMEEE Mechanical Energy conservation0 ME (all forces are conservative)NCFMWE (there are non-conservative forces)Inelastic collisionvmmvmvmppAFTERBEFORE )( 212211 Elastic collision22112211'' vmvmvmvmppAFTERBEFORE AfterKBeforeKEE PowermummvFPtWP.
2 Unit conversions1 cal = J1 J = cal1 HP = 736 W (nevertheless there are many definitions)1 kW h = 106 UnitWWorkJEKK inetic energyJEPP otential energyJEMM echanical energyJFForceNx DisplacementmrDistancemhHightmM, mMasskg Force-displacement angle vSpeedm/svmMean speedm/sgGravitational acceleration ( m/s2 in Earth surface)m/s2 GGravitational constant: 10 11N m2/kg2kElastic constant of the springN/mpMomentumkg m/sPmMean
