Energy Flashcards
1
Q
Work done
A
Work done (J) = force (N) x distance (M)
2
Q
Kinetic energy
A
Energy = 1/2 mass (Kg) x velocity (m/s) squared
3
Q
Power
A
Power (J) = Energy (J)/time (secs)
4
Q
Energy (other one)
A
E = m(kg) g(n/kg) h(m)
5
Q
Efficiency
A
Useful energy out / total in