Which is the equation for a machine's efficiency? (1 point)
O Efficiency=input energy
O Efficiency=
input energy
output energy
output energy
input energy
-
-
output energy
100
O Efficiency
O Efficiency=input energy + output energy
100

Which is the equation for a machines efficiency 1 point O Efficiencyinput energy O Efficiency input energy output energy output energy input energy output energ class=