Work and Power
Friction converts kinetic energy into this
What is a Thermal Energy
The ratio of actual mechanical advantage to ideal mechanical advantage which is always less than 1
What is EFFICIENCY
Inclined planes, pulleys, wheel and axels, wedges, screws, and levers
What are simple machines
These two simple machines are also examples of inclined planes that are used in a different way.
What are wedge and screw
The type of energy a child has when they are on a swing at the very top of there swing path.
What is gravitational potential energy