Physics

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  • Created by: Amy1995
  • Created on: 14-05-14 20:59
average speed
average speed = distance travelled/ time taken
1 of 24
acceleration
acceleration = change in velocity/ time taken
2 of 24
force
force = mass x acceleration
3 of 24
weight
weight = mass x gravitational field strength
4 of 24
momentum
momentum = mass x velocity
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moment
moment = force x perpendicular distance from pivot
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clockwise law
sum of anticlockwise moment = sum of clockwise moment
7 of 24
power
power = current x voltage
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energy
energy = power x time
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energy
energy = current x voltage x time
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charge
charge = current x time
11 of 24
voltage
voltage = current x resistance
12 of 24
wave speed
wave speed = frequency x wavelength
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reflection law
angle of incidence = angle of reflection
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law of refraction
refractive index=sin angle of incidence, sin r = angle of refraction
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efficiency
efficiency = useful energy output from system/ total energy output into system x 100
16 of 24
work
work = force x distance
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GPE
GPE = mass x gravitational field strenght x height
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kinetic energy
KE = ½ mass x speed²
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power
power = work done/ time taken
20 of 24
density
density = mass/ volume
21 of 24
pressure
pressure = force/ are
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pressure difference
pressure difference = height x density x gravity
23 of 24
input/ output voltege
input voltage/ output voltage = primary turns/ secondary turns
24 of 24

Other cards in this set

Card 2

Front

acceleration = change in velocity/ time taken

Back

acceleration

Card 3

Front

force = mass x acceleration

Back

Preview of the back of card 3

Card 4

Front

weight = mass x gravitational field strength

Back

Preview of the back of card 4

Card 5

Front

momentum = mass x velocity

Back

Preview of the back of card 5
View more cards

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