MATLS 2B03 Lecture Notes - Lecture 8: Electric Field, Surface Tension, Magnetization
internal generalized force generalized coordinate
energy
non-mechanical works
d d intensive property dextensive property
ii
i
UQPV
Type of work Intensive property
(force)
Extensive property
(coordinate) Differential work
Gravitational Gravitational filed strength gMass displacement mh
grav
ddWgmh
Mechanical Pressure PVolume V mech
ddWP V
Surface tension Surface tension
Area Asurf
ddWA
Elastic Tension t Length
Lelastic
ddWtL
EMF Electromotive force ECharge
QEMF
ddWEQ
Polarization Electric field strength
Electric
dipole moment
M
pol
ddWM
Magnetization Magnetic field strength HMagnetic
dipole moment
Kmag
ddWM