All GCSE Formulae

Question 1

Distance travelled =

Answer 1

Average speed x time

Question 2

Acceleration =

Answer 2

change in velocity/ time taken

Question 3

Force = (when we have mass)

Answer 3

mass x acceleration

Question 4

Weight =

Answer 4

mass x GFS

Question 5

Momentum =

Answer 5

mass x velocity

Question 6

GPE =

Answer 6

mass x change in height x GFS

Question 7

Kinetic energy =

Answer 7

1/2 x mass x velocity^2

Question 8

Efficiency =

Answer 8

useful energy / total (x100 if percentage)

Question 9

wave speed = (with frequency)

Answer 9

frequency x wavelength

Question 10

wave speed= (with time)

Answer 10

Distance/ time

Question 11

Work done=

Answer 11

force x distance moved

Question 12

power = (with work done)

Answer 12

Work done/ time taken

Question 13

energy transferred =

Answer 13

charge moved x potential difference

Question 14

charge =

Answer 14

current x time

Question 15

potential difference =

Answer 15

current x resistance

Question 16

power = (with energy transferred)

Answer 16

energy transferred / time

Question 17

electrical power = (with potential difference)

Answer 17

current x potential difference

Question 18

electrical power = (with resistance)

Answer 18

current^2 x resistance

Question 19

density =

Answer 19

mass / volume

Question 20

Force exerted on a spring =

Answer 20

spring constant x extension

Question 21

pressure =

Answer 21

force / area