#3.3.3a
power; the unit watt; \(P = \dfrac{W}{t} \)
#3.3.3b
\(P = Fv \) Learners will also be expected to derive this equation from first principles.
#3.3.3c
efficiency of a mechanical system; \(\text{efficiency} = \dfrac{\text{useful output energy transfer}}{\text{total input energy}} ×100\%\)