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Physics > Equations > Flashcards

Equations Flashcards

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1
Q

Work done equation

A

Work done = force X distance moved in the direction of the force

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2
Q

Energy transferred equation

A

Energy transferred = charge moved X potential difference

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3
Q

Power equation

A

Power= work done/time taken

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4
Q

Charge equation

A

Charge= current X time

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5
Q

Potential difference equation

A

Potential difference= current X resistance

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6
Q

Electrical power equation

A

Electrical power=current X potential difference

=current (squared) X resistance

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7
Q

Density equation

A

Density= mass/volume

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8
Q

Force exerted on a spring equation

A

Force exerted on a spring= spring constant X extension

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9
Q

Distance equation

A

Distance = speed X time

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10
Q

Acceleration equation

A

Acceleration = change in velocity/time taken

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11
Q

Force equation

A

Force=mass/acceleration

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12
Q

Weight equation

A

Weight=mass X gravitational field strength

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13
Q

Momentum equation

A

Momentum = mass X velocity

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14
Q

Change in GPE equation

A

Change in GPE=mass X GFS X change in vertical height

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15
Q

Kinetic energy equation

A

Kinetic energy =1/2 X mass X speed

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16
Q

Efficiency equation

A

Efficiency =Useful energy transferred by the device/total energy supplied to the device

17
Q

Wave speed equation

A

Wave speed=frequency X wavelength

=distance/time

18
Q

Change in velocity equation

A

(Final velocity)squared - (initial velocity)squared= 2 X acceleration X distance

19
Q

Force equation

A

Force=change in momentum/time

20
Q

Energy transferred equation

A

Energy transferred =current X potential difference X time

21
Q

Change in thermal energy equation

A

Change in thermal energy=mass X specific heat capacity X change in temp

22
Q

Thermal energy for a state of change equation

A

Thermal energy for a state of change= mass X specific latent heat

23
Q

Energy transferred in stretching equation

A

Energy transferred in stretching=0.5 X spring constant X extension(squared)

24
Q

Equation velocity (waves or air)

A

Velocity=frequency X wavelength

Physics (10 decks)

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