enerygy stores and systems Flashcards

1
Q

what happens to energy

A

it is never used up, however it is transferred between different energy stores and different objects

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2
Q

how is energy transfered

A

between stores

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3
Q

what happens when energy is transferred to an object

A

the energy is stored in one if the objects energy stores

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4
Q

name 8 energy stores

A

thermal
kinetic
gravitational potential
elastic potential
chemical
magnetic
electrostatic
nuclear

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5
Q

how is energy transferred

A

mechanically
electrically
heating or radiation

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6
Q

what is a system

A

a single or group of objects that you are interested in

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7
Q

what happens when a system changes

A

energy is transferred, into or away from the system between different objects or between different energy stores

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8
Q

what is a closed system

A

where neither matter nor energy can enter or leave

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9
Q

what is work done

A

the energy transferred

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