AQA GCSE physics equations

Question	Answer
Weight	mass * gravitational field strength
Work done	force * distance (along the line of action)
Force on a spring	spring constant * extension
Moment of a force	force * distance (normal to direction of force)
Pressure	force (normal to surface) ----------------------------------------- area of surface
Distance travelled	speed * time
Acceleration	change in velocity ----------------------------------- time taken
Resultant force	mass * acceleration
Momentum	mass * velocity
Kinetic energy	mass * speed^2 -------------------------------- 2
Gravitational potential energy	mass * gravitational field strength * height
Power ( with time and energy )	energy transferred ---------------------------------- time
Power ( with work done and time )	work done --------------------------- time
Efficiency ( with energy )	useful output energy transfer -------------------------------------------------- total input energy transfer
Efficiency ( with power )	useful power output ---------------------------------- total power input
Wavespeed	frequency * wavelength
Charge	current * time
Potential difference	current * resistance
Power ( with potential difference )	potential difference * current
Power ( with resistance )	current^2 * resistance
Energy transferred ( with power)	power * time
Energy transferred ( with charge )	charge * potential difference
Density	mass ----------------- volume

Resource summary

	Created by Alexandra Anderson about 5 years ago