force x distance
mass x gravity x height
1/2mvsquared
1/2kesquared
useful power/total energy x100
a space
through objects
heat travelling thorugh objects
heat travelling thorugh space
use an insulator
plastic
shiny silver
a radiator
toaster
wd/time
v=ir
ohms
the rate of flow of charge
electrons
the longer the wire the longer the resistance
kinetic