Physics Formula Equations(incl. exam given equations) 9-1 AQA board

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  • Created by: qaasim786
  • Created on: 02-12-17 15:01
weight = mass×gravitational field strength
W=mg
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work done = force × distance(along the line of action of the force)
W=fs
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force applied to string = spring constant × extension
F=ke
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moment of a force = force × distance(normal to direction of force)
M=Fd
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pressure = force normal to a surface / area of that surface
p=F/A
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distance travelled = speed × time
S=vt
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acceleration = change in velocity / time taken
a=Δv/t
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resultant force = mass × acceleration
F=ma
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momentum = mass × velocity
p=mv
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kinetic energy = 0.5 × mass × (speed)²
Ek = (1/2)mv²
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gravitational potential energy = mass × gravitational field strength × height
Ep=mgh
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power = energy transferred / time
P=E/t
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power = work done / time
P=W/t
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efficiency = useful output energy transfer / useful input energy transfer
Not Available
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efficiency = useful power output / total power output
Not Available
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wave speed = frequency × wavelength
v=fλ
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charge flow = current × time
Q=It
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potential difference = current × resistance
V=IR
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power = potential difference × current
P=VI
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power = (current)² × resistance
P=I²R
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energy transferred = power × time
E=Pt
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energy transferred = charge flow × potential difference
E=QV
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density = mass / volume
ρ=m/V
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The following equations will be give in the exam. You do not need to learn them, just revise them.
N/A
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pressure due to a column of liquid = height of liquid × density of liquid × gravitational field strength
p=hρg
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(final velocity)² - (initial velocity)² = 2 × acceleration × distance
v² - u² = 2as
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force = change in momentum / time taken
F=mΔv/Δt
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elastic potential energy = 0.5 × spring constant × (extension)²
Ee=(1/2)ke²
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change in thermal energy = mass × specific heat capacity × temperature change
ΔE=mcΔθ
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magnification = image height / object height
Not Available
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period = 1 / frequency
Not Available
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force on a conductor(at right-angles to a magnetic field) = magnetic flux density × current ×length
F=BIL
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thermal energy for a change of state = mass × specific latent heat
E=mL
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(potential difference across primary coil / potential difference across secondary coil) = (number of turns in primary coil / number of turns in secondary coil)
(Vp/Vs) = (np/ns) .....................................................NOTE: p and s in this equation symbolise powers/indices
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(potential difference across primary coil × current in primary coil) = (potential difference across secondary coil × current in secondary coil)
(VsVs)=(VpVp) ....................................................... NOTE: p and s in this equation symbolise powers/indi
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for gases: pressure × volume = constant
pV=constant
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Other cards in this set

Card 2

Front

W=fs

Back

work done = force × distance(along the line of action of the force)

Card 3

Front

F=ke

Back

Preview of the back of card 3

Card 4

Front

M=Fd

Back

Preview of the back of card 4

Card 5

Front

p=F/A

Back

Preview of the back of card 5
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