Formula Flashcards

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1
Q

Weight (gravity force)=

A

Mass x gravitational field strength

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2
Q

Work done =

A

Force x distance

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3
Q

Distance =

A

Speed x time

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4
Q

Force applied to skin =

A

Extension x spring constant

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5
Q

Force =

A

Mass x acceleration

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6
Q

Acceleration =

A

Change in velocity DIVIDED BY time taken

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7
Q

Momentum =

A

Mass x velocity

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8
Q

Kinetic energy =

A

0.5 x mass x (speed) SQUARED

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9
Q

Power =

A

Potential difference x current

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10
Q

Power =

A

(Current)SQUARED x resistance

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11
Q

Energy transferred =

A

Charge flow x potential difference

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12
Q

Density =

A

Mass DIVIDED BY volume

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13
Q

Pressure =

A

Force normal to a surface DIVIDED BY area of that surface

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14
Q

Moment of force =

A

Force x distance

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15
Q

Gravitational potential energy =

A

Mass x gravitational field strength x height

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16
Q

Power =

A

Energy transferred DIVIDED BY time

17
Q

Efficiency =

A

Useful output energy transfer DIVIDED BY total input energy transfer

18
Q

Efficiency =

A

Useful power output DIVIDED BY total power input

19
Q

Wave speed =

A

Frequency x wavelength

20
Q

Charge flow =

A

Current x time

21
Q

Potential difference =

A

Current x resistance