Energy, work and power Flashcards
1
Q
Formula of Kinetic energy
A
0.5 X mass X velocity square
2
Q
Formula of gravitational potential energy
A
mass X gravitational field strength X height
mgh
3
Q
SI unit of energy
A
Joule (J)
4
Q
Forms of energy
A
Kinetic, chemical, thermal, light, sound, elastic potential, gravitational potential energy
5
Q
Formula of work done
A
Work done = force X distance moved in the direction of force
6
Q
Formula of power
A
Power = work done or energy over time
7
Q
SI unit of power
A
Watt (W)
8
Q
Power
A
Power is the rate of doing work
