chapter5 Flashcards
energy
capacity to do work
kinetic energy
the energy of an object that is due to he objects motion
Potential energy
the energy that is an object has because of the position shape or condition of the object
mechanical energy
the amount of work an object can do because of the objects kinetic and potential energies
energy conversion
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 but can be changes from one form to another
nonrenewable reasource
a resource that forms at a rate that is much slower than the rate at which it is consumed
fossil fuel
a nonrenewable energy resource formed from the remains of organisms that lived long ago
renewable resource
a natural resource that can be replaced at the same rate which the resource is consumed