Introduction: Purpose of Physics, Physical Law, CMS

This lecture covers the fundamental concepts of physics, including the purpose of physics in understanding natural phenomena through laws, the role of mathematics in describing physical phenomena, and the importance of observation and measurement in physics. The instructor discusses the concept of free fall as an example to illustrate the relationship between physical quantities and mathematical laws. The lecture emphasizes the need for an alignment between real-world observations and mathematical representations, highlighting the significance of mathematical language in physics.