Official course description: Lecture and discussion. Together with 126, this provides a comprehensive, calculus-based introduction to physics, designed for physics majors or minors or pre-engineers. Vectors, forces, Newtonian mechanics of translational, rotational, and oscillatory motion; heat. Corequisite: PHYS 125L and MATH 161. Restricted to Physics, Biophysics, and Theoretical Physics/Applied Math majors.