P=VxI

V=IxR

Q=Ixt

E=VxQ

E = V x I x t

Efficiency (%)

GPE = mgh

KE = ½mv2.

W = F x d

W = E.

P = E ÷ t.

E = c x m x θ

s = d ÷ t

a = (v-u) ÷ t

F = m x a

w = m x g