7.1-7.3 Flashcards
kinetic energy
the energy of an object that is due the object’s motion
energy
the capacity to do work
potential energy
the energy that an object has ecause of the position,shape, or condition of the object
mechanical energy
the work an object does because of it kinetic and potenial energy
energy conservation
a change from one energy to another
friction
a force that opposes motion between two forces
law of conservation of energy
the law that states that energy cannot be created or destroyed but can be changed from from another
nonrenewable resources
a resource that is consumed faster than made
fossil fuel
a fuel from remains of organisms that lived long ago
renewable resource
a resource that can be replace the same rate which it is used