gcse physics equation s

weight

mass × gravitational field strength

potential difference

current × resistance

V = IR

work done

force × distance

distance

speed × time

kinetic energy

½× mass × speed²

power

energy transferred/ time

power (work)

work done / time

elastic potential energy

½ × spring constant × extension²

efficiency (energy transfer)

useful output energy

/

total input energy

efficiency (power)

useful power output

/

total power input

charge

current × time

power (resistance)

current² × resistance

power (voltage)

Potential difference × current

energy transferred (time)

power x time

density

mass / volume

energy transferred (charge)

charge × potential difference