Physics formulae

average speed

acceleration

speed
(from a distance-time graph)

acceleration
(from a speed-time graph)

distance travelled
(from a speed-time graph)

Resultant force

Resultant force
(from a free-body diagram)

weight

density

moment of a force

Principle of Moments

pressure

pressure of liquid

Pascal transmission of pressure

kinetic energy, KE

gravitational potential energy, GPE

work done

Principle of conservation of energy 1
(falling ball)

Principle of conservation of energy 2
(throwing a ball up vertically)

Principle of conservation of energy 3
(car accelerating due to a force)

Principle of conservation of energy 4
(car brakes to a rest)

power
(non-electrical)

calibration of thermometer

calibration of thermocouple

energy gain/loss by substance when the temperature change by θ

energy gain/loss when a substance undergoes change of state

Period, T
(in waves)

wave velocity, v

speed of sound, v
(in a situation where there is an echo)

refractive index, n
(using i and r)

refractive index, n
(using speed of light)

refractive index, n
(depth of object)

critical angle, c

charge, Q
(units?)

Voltage, V
(unit?)

resistance, R
(unit?)

resistance, R
(in terms of dimensions of wire)

Effective resistance
(series circuit)

Effective resistance
(parallel circuit)

Potential divider
(series circuit)

Power
(electrical power)

Electrical energy