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density

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Description and Tags

Physics

9th

23 Terms

1

density

mass / volume

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2

distance travelled

speed x time

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3

acceleration

change in velocity / time

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4

kinetic energy

0.5 x mass x velocity(square)

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5

force

mass x acceleration

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6

momentum

mass x velocity

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7

work done

force x distance moved

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8

power

work done / time

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9

force exerted by a spring

spring constant x extension

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10

gravity force

mass x gravitational field strength

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11

potential energy

mass x height x gravitational field strength

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12

weight

mass Ă— gravitational field strength

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13

resultant force

mass Ă— acceleration

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14

power

energy transferred / time

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15

efficiency

useful output energy transfer / total input energy transfer

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16

efficiency

useful power output / total power input

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17

wave speed

frequency Ă— wavelength

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18

charge flow

current Ă— time

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19

potential difference

current Ă— resistance

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20

power

potential difference Ă— current

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21

power

(current)(squared) Ă— resistance

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22

energy transferred

power Ă— time

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23

energy transferred

charge flow Ă— potential difference

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