# AQA Physic Equations

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- Created by: DunnillE
- Created on: 20-03-18 18:27

What is the equation for Work done?

Force x Distance

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What is the equation for GPE?

Mass X Gravitational Field Strength x Change in height

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What's the equation for Kinetic Energy?

1/2 x mass x velocity squared

3 of 42

What is the equation for EPE?

1/2 x Spring Constant x Extension squared

4 of 42

What is the equation for efficiency?

Useful Energy Transferred/ Total Input Energy ( X 100)

5 of 42

What's the equation for Power?

Energy/Time

6 of 42

What's the equation for energy needed?

Mass x Specific Heat Capacity x Change in temperature

7 of 42

What is the equation for current?

Charge in coulombs/ Time

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What's the equation for potential difference in volts?

Energy/ Charge

9 of 42

What is the equation for resistance?

Potential difference in volts/ current

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What is the equation for resistance total?

R1+R2+R3...

11 of 42

What is the equation for frequency?

1/Time taken for 1 cycle

12 of 42

What is the equation for energy?

Power x Time

13 of 42

What's the equation for current?

Power / Time

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What's the equation for energy?

Potential difference x charge in coulombs

15 of 42

What is the equation for density?

Mass/Volume

16 of 42

What's the equation for specific latent heat?

Energy / Mass

17 of 42

What's the equation for pressure?

Constant/Volume

18 of 42

What's the equation for efficiency?

output power/ input power (x 100)

19 of 42

What is the equation for count rate after n half-lives?

Initial count rate/ 2n

20 of 42

What is the equation for the turning effect of a force called its moment?

Force x Distance

21 of 42

What is the equation for speed in m/s?

Distance/Time

22 of 42

What is the equation for acceleration in m/s squared?

(final velocity - the intial velocity)/time taken

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What's the equaion for final speed squared?

Initial speed squared + 2 x accelerarion x distance

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What's the equation for the resultant force?

mass x acceleration

25 of 42

What's the equation for weight?

Mass x acceleration due to gravity in m/s squared

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What's the equation for momentum?

Mass x velocity

27 of 42

What's the equation for the impact force?

mass x change in velocity/ time

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What's the equation for the impact force?

change in momentum/ time

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Whats the equation for change in momentum?

Mass x change in velocity

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What's the equation for Hooke's law (force)?

Spring constant (N/m) x extension (m)

31 of 42

What's the equation for pressure (Pa)?

Force x Cross-sectional Area at right angles.

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What's the equation for pressure?

height of liquid x the density of liquid x gravitational field strength

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What's the equation for a period of a wave?

1/frequency

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What is the equation for the speed of a wave?

frequency x wavelength

35 of 42

What's the equation for distance travelled by an ultrasound pulse?

speed of ultrasound wave x time

36 of 42

What's the equation for magnification?

image height/ object height

37 of 42

What's the equation for force on the conductor (N)?

Magnetic flux density (T) x current (Amps) x length of conductor

38 of 42

What's the equation for the potential difference across the primary and secondary coils is related to the number of turns on each coil?

Primary Coil in volts/Secondary Coil in Volts = Number of turns in primary coil/ No. of turns in secondary coil

39 of 42

What is the equation for pressure due to a column of liquid?

height of column x density liquid x gravtional field strength

40 of 42

What is the equation for constant with gases?

pressure of gas x volume

41 of 42

what is the equation for change in momentum?

force x time taken

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## Other cards in this set

### Card 2

#### Front

What is the equation for GPE?

#### Back

Mass X Gravitational Field Strength x Change in height

### Card 3

#### Front

What's the equation for Kinetic Energy?

#### Back

### Card 4

#### Front

What is the equation for EPE?

#### Back

### Card 5

#### Front

What is the equation for efficiency?

#### Back

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