6.7 Conservation of Energy

Conservation of Energy

Hewitt discusses the relationship between potential and kinetic energy and how the total amount of energy within a system is conserved. Duration: 8:47.

Machines and Energy

Paul shows how a simple lever lifts a load, and how Nellie Newton lifts loads with pulley systems. Duration: 8:26

Conservation of Energy

Paul treats a block of ice on a ramp, a sliding bead, and balls on interesting tracks.