Energy equations Flashcards

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1
Q

work done =

A

force x distance moved

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2
Q

GPE =

A

mass x gravitational field strength x height

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3
Q

Kinetic energy =

A

1/2 x mass x speed squared

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4
Q

Power =

A

work done over time taken

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5
Q

What is power?

A

Rate of energy transfer

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6
Q

what is work done equal to

A

energy transferred

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7
Q

Power (electricity) =

A

current x voltage

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8
Q

Voltage =

A

current x resistance

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9
Q

charge =

A

current x time

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10
Q

density =

A

mass over volume

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11
Q

pressure =

A

force over area

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12
Q

pressure difference =

A

height x density x g

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13
Q

Weight =

A

mass x gravitational field strength

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14
Q

Moment =

A

force x perpendicular distance

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15
Q

Refractive index =

A

sin i/ sin r

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16
Q

sin c =

A

1/ n

17
Q

Energy transferred (electricty) =

A

current x voltage x time
or voltage x charge