the ability to do work
what is energy?
a force that opposes motion between two surfaces that are touching
what is friction?
gravitational potential energy equals
what is weight times height?
energy of motion
what is kinetic energy?
energy cant be created or destroyed
what is the law of conversion of energy?
ke=
what is mv2/2?
energy an object has because of its position
what is potential energy?
energy resource that cannot be replaced or is replaced slower than used
what is nonrenewable resources?
potential energy + kinetic energy
what is mechanical energy?
energy resources formed by buried remains of plants and animals that lived millions of years ago
what is fossil fuels?
change from one form of energy to another
what is energy conversion?
resources naturally replaced faster than used
what is renewable resources?