GCSE Physics equations 2018

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Last updated: May 8, 2018

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First submitted	May 3, 2018
Times taken	54
Average score	28.1%
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Equation	Answer
Height of a column x density of liquid x gravitational field strength	Pressure due to a column of liquid
(Final velocity)^2 - (initial velocity)^2	2 x acceleration x distance
0.5 x constant x extension^2	Elastic potential
Mass x height x gravitational field strength	Gravitational potential
Mass x specific latent heat capacity x temperature change	Change in thermal energy
Mass x specific latent heat	Thermal energy for a change in state
1/frequency	Period
Frequency x wavelength	Wave speed
Change in velocity/time taken	Acceleration
Speed x time	Distance travelled
Mass/volume	Density
Image height/object height	Magnification
(for gases) pressure x volume	Constant
Change in momentum/time taken	Force
0.5 x mass x velocity^2	Kinetic energy
Mass x velocity	Momentum

Equation	Answer
Mass x acceleration	Resultant force
Mass x gravitational field strength	Weight
Force x distance (along the line of the force)	Work done
Force x distance (normal to direction of force)	Moment of a force
Spring constant x extension	Force applied to a spring
Useful / total (x100)	Efficiency
Potential difference x current	Power
Work done/time	Power
Current^2 x resistance	Power
Current x resistance	Potential difference
Power x time	Energy transferred
Charge flow x current	Energy transferred
Current x time	Charge flow
Magnetic flux density x current x Length x sin(angle)	Force on a conductor
Potential difference across primary coil x current in primary coil	Potential difference across secondary coil x current in secondary coil
Potential difference across primary coil/potential difference across secondary coil	Number of turns in a primary coil/number of turns in a secondary coil