Formulae and Laws
Forces and Motion
You may also have to add atmospheric pressure to get the total pressure.
Energy and Power
for resistors in series
1 st Law: Current into a node equals current out.
2 nd Law - The voltages sum around a circuit loop add to the supply voltage
Energy to evaporate m kg of liquid=ml, l=Specific Latent Heat of Vapourization
Energy to melt m kg of liquid=ml, l=Specific Latent Heat of Fusion
Energy to heat m kg of a substance by T degrees =mcT, c=Specific Heat Capacity