CPB 314 Lecture 7: CPB 314 (7)

• School: Miami University
• Department: Chemical, Paper & Biomedical Engineering
• Course: CPB 314
• Professor: Gu

Document Summary

The work transfer needed to raise a body is equal to the change in the potential energy ofthe body. The work transfer needed to accelerate a body is equal to the change in the kinetic energy ofthe body. Electrical work: the generalized force is the voltage (the. Electrical potential) and the generalized displacement is the electrical charge. Magnetic work: the generalized force is the magnetic field strength and the generalized displacement is the total magnetic dipole moment. Electrical polarization work: the generalized force is the electric field strength and the generalized displacement is the polarization of the medium. The first law of thermodynamics (the conservation of energy principle) Provides a sound basis for studying the relationships among the various forms of energy and energy interactions. The first law states that energy can be neither created nor destroyed during a process; it can only change forms.