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11992942
Equations revision
Description
stuff
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physics
gcse
Mind Map by
Ashley Hadfield
, updated more than 1 year ago
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Created by
Ashley Hadfield
almost 7 years ago
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Resource summary
Equations revision
Equations
density = m/v
energy transferred = charge flow x potential difference
time = energy transferred/power
weight = mass x gravitational field strength
g = w/m
m= w/g
work done = force x distance
d = w/f
f = w/s
force = spring constant x extension
spring constant = f/e
e = f/ spring constant
moment = force x distance
f= m/ d
d= m/f
pressure = force/ area
f= p x a
a = f/p
distance = speed x time
v = d/t
t= d/v
acceleration = change in velocity/ time
CIV = a x t
t = CIV/ a
resultant force = mass x acceleration
m= f/a
a = f/m
momentum = mass x velocity
m = p (velocity) /m
v = p/m
kinetic energy = 0.5 x mass x velocity²
m = 2ek/ v²
v = (square root) 2ek/m
gpe = m x g x h
m= gpe/ (g x h )
g= gpe / (m x h)
h = gpe / (m x g)
power - energy transferred/ time
e = p x t
t= e/ p
power = work done/ time
w= p x t
t= w / p
efficiency= total input / useful output
useful output= efficiency x total input
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