Uploaded April 2017 | Updated September 2026, 2 weeks ago
Mini Lesson on PPS. Note the difference between the actual distance the point of contact moves vs. the displacement of the center of mass. The change in translational KE only depends on the net force and the CM displacement. The change in the energy of the system depends on the actual work done.
Mini Lesson on PPS. Note the difference between the actual distance the point of contact moves vs. the displacement of the center of mass. The change in translational KE only depends on the net force and the CM displacement. The change in the energy of the system depends on the actual work done.
