CBU PHYS 1104 - Work Lecture 1 (old version)
Channel: CBU_PHYS1104
Date: 2016-11-05

External forces acting on a system always change the system's momentum.  But they only *sometimes* change the system's energy.  How can we understand *when* an external force will change a system's energy?
This is an older version of this video.  It is no longer part of the assigned videos for PHYS 1104.