3. Energy, Work and Power

Energy

the ability to do work

kinetic energy

energy an object has because it’s moving

potential energy

stored energy an object has because of its position or condition

renewable energy

energy from sources that are naturally replenished, such as sunlight, wind, and moving water

non-renewable energy

energy from sources that will eventually run out, such as coal, oil, and natural gas

energy efficiency

the percentage of input energy that is transferred into useful energy

work

the energy transferred when a force moves an object through a distance (W = F x d)

power

The rate at which work is done or energy is transferred (P = W / t)