# Shared Flashcard Set

## Details

IGCSE physics
Formulae
17
Physics
11/12/2013

Term
 Force
Definition
 Force= mass x acceleration
Term
 Pressure
Definition
 Pressure= force/area
Term
 Density
Definition
 Density= mass/volume
Term
 Speed
Definition
 Speed= distance/time
Term
 Acceleration
Definition
 Acceleration= change in speed/ time
Term
 Kinetic energy
Definition
 Kinetic energy= 1/2 x mass x velocity2
Term
 Potential energy
Definition
 Potential energy= mass x gravity x height
Term
 Work
Definition
 Work= force x distance
Term
 Power
Definition
 Power= energy/time
Term
 Efficiency
Definition
 Efficiency= (useful output/input) x 100
Term
 Wave speed
Definition
 Wave speed= Frequency x wavelength
Term
 Heat transfer  Energy
Definition
 Energy= specific heat capacity x mass x change in temperature
Term
 Charge
Definition
 Charge= current x time
Term
 Resistance
Definition
 Resistance= potential difference/current
Term
 Electricity  Power
Definition
 Power= current x voltage
Term
 Electricity  Energy
Definition
 Energy= current x voltage x time
Term
 Transformers
Definition
 Voltage in primary coil = Number of turns on primary coil Voltage in secondary coil= Number of turns on secondary coil
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