Chapter 5 Flashcards
energy
capicity to do work
kinetic energy
energy of object that is due to object’s motion
potential energy
energy of object has because of the postition shape or condition of the object
mechanical energy
amount of work an object can do because of th e object’s kinetic and potential energies
energy conversions
a change from one form of energy to another
friction
a force that opposes motion between two surfaces that are in contact
law of conservation of energy
the law that states that energy cannot be created or destroyed
nonrenewable resoucre
a resource that forms at a rate that is much slower than the rate which it is consumed
fossil fuel
nonrenewable energy resource formed from remains of organisms
renewable resources
a natural resource that can be replaced at the same rate at which the resource is consumed