ALL PHYSICS EQUATIONS FROM EQUATION LIST 1

distance

speed x time

d

s x t

acceleration

change velocity / time taken

a

(v-u) / t

force

mass x acceleration

F

m x a

weight

mass x gravitational field strength

W

m x g

momentum

mass x velocity

p

m x v

change in gravitational potential energy

mass x gravitational field strength x change in vertical height

∆GPE

m x g x ∆h

KE

½ x m x v²

kinetic energy

½ x mass x velocity²

efficiency

useful energy transferred by the device / total energy supplied to the device

wave speed

frequency x wavelength

v

f x λ

wave speed

distance / time

v

d / t

work done

force x distance moved in the direction of the force

E

F x d

power

work done / time taken

P

E / t

moment of a force

force x distance normal to the direction of the force

energy transferred

chagre moved x potential difference

E

Q x V

charge

current x time

Q

I x t

potential difference

current x resistance

V

I x R

power

energy transferred / time taken

P

E / t

electrical power

current x potential difference

P

I x V

electrical power

current squared x resistance

P

I² x R

density

mass / volume

ρ

m / v

force exerted on a spring

spring constant x extension

F

k x x

pressure

force normal to surface / area of surface

P

F / A