Conceptual Physics Alive: Energy

Conceptual Physics Alive: Energy includes a digital video and questions set with answers. Observe Paul Hewitt teach in a classroom with real students, using engaging demonstrations and artwork. In this video, Paul Hewitt teaches Energy: Mechanical energy in its potential and kinetic forms is illustrated with demonstrations that include a bouncing dart, a pendulum, and a simple pulley system. The conservation of energy is illuminated using everyday examples and a hand-cranked electric generator. Energy Includes: Begins with a review of momentum, and poses questions that support the concept of impulse. Hewitt demonstrates momentum transfer by a swinging dart that hits a wooden block. The greater impulse of bouncing is demonstrated. "How long" in terms of distance, rather than time, produces work. Work-energy relationship introduced; Fd = energy. Forms of energy are compared. Energy of motion; kinetic energy (KE). Cannonball shot from a short and a longer cannon. Demonstration of a bowl