The Law of Conservation of Energy
From students' everyday experience, e.g. of batteries going flat or car petrol tanks needing refilling, it is easy to believe that energy is 'used up' or 'lost'. It is the fuel that is used up. These experiments highlight energy conservation.
- Levers and pulleys multiply force but not energy
- Massive pendulum
- Galileo's pin and pendulum
- Investigating energy transfers in a pendulum
- Explaining elastic and inelastic collisions