Equations that need to be memorised for GCSE Combined Science Physics

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  • Created by: serena351
  • Created on: 16-01-18 20:27
W=mg
weight = mass x gravitational field
1 of 20
F=ke
force applied to a spring = spring constant x extension
2 of 20
(higher tier) p=mv
momentum = mass x velocity
3 of 20
GPE=mgh
gravitational potential energy = mass x gravitational field strength x height
4 of 20
a=v-u/t
acceleration = change in velocity/time taken
5 of 20
P=W/t
power = work done/time
6 of 20
efficiency
useful power output x total power output or useful output energy transfer/useful input energy transfer
7 of 20
Q=It
charge flow = current x time
8 of 20
P=VI
power = potential difference x current
9 of 20
E=Pt
energy transferred = power x time
10 of 20
p=m/V
density = mass/volume
11 of 20
W=Fs
work done = force x distance
12 of 20
s=vt
distance travelled = speed x time
13 of 20
F=ma
force = mass x acceleration
14 of 20
KE=1/2mv^2
kinetic energy = 0.5 x mass x (speed)^2
15 of 20
P=E/t
power = energy transferred/time
16 of 20
v=fλ
wave speed = frequency x wavelength
17 of 20
V=IR
potential difference = current x resistance
18 of 20
P=I^2R
power = current^2 x resistance
19 of 20
E=QV
energy transferred = charge flow x potential difference
20 of 20

Other cards in this set

Card 2

Front

force applied to a spring = spring constant x extension

Back

F=ke

Card 3

Front

momentum = mass x velocity

Back

Preview of the back of card 3

Card 4

Front

gravitational potential energy = mass x gravitational field strength x height

Back

Preview of the back of card 4

Card 5

Front

acceleration = change in velocity/time taken

Back

Preview of the back of card 5
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