chapter5 Flashcards

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1
Q

energy

A

capacity to do work

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2
Q

kinetic energy

A

the energy of an object that is due to he objects motion

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3
Q

Potential energy

A

the energy that is an object has because of the position shape or condition of the object

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4
Q

mechanical energy

A

the amount of work an object can do because of the objects kinetic and potential energies

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5
Q

energy conversion

A

a change from one form of energy to another

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6
Q

friction

A

a force that opposes motion between two surfaces that are in contact

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7
Q

law of conservation of energy

A

the law that states that energy cannot be created or destroyed but can be changes from one form to another

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8
Q

nonrenewable reasource

A

a resource that forms at a rate that is much slower than the rate at which it is consumed

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9
Q

fossil fuel

A

a nonrenewable energy resource formed from the remains of organisms that lived long ago

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10
Q

renewable resource

A

a natural resource that can be replaced at the same rate which the resource is consumed

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