Summary of physical knowledge points

Summary of physical knowledge points: sort out all knowledge points such as mechanics, electricity, magnetic field and elective courses. Physics is a science that studies the laws and material structure of various physical phenomena such as light, heat, force, sound and electricity. Physics is a subject that studies the most general law of motion and the basic structure of matter. As the leading discipline of natural science, physics studies the most basic movement forms and laws of all matter from the universe to basic particles, so it has become the research basis of other natural science disciplines.