Lecture
This lecture introduces the concepts of work and energy in the context of dynamics, focusing on the relationship between force, power, and kinetic energy. The instructor explains the calculation of work, the definition of kinetic energy, and the theorem of kinetic energy, emphasizing the importance of these concepts in understanding mechanical systems. The lecture concludes with a review of the units used in mechanics, including length, velocity, acceleration, force, work, energy, and power, clarifying the relationships between these quantities and their respective units.