1.8 WD , PE & Kinetic Energy Flashcards
1
Q
Work done
A
The product of force and distance moves in the direction of the force
2
Q
Power
A
The rate of doing work
P= wd / t
3
Q
Efficiency
A
The ratio of input energy that does work
4
Q
Conservation of energy
A
Energy cannot be created or destroyed, but it is transformed from one form to another
5
Q
Kinetic energy definition
A
The product of half the mass and the square of the velocity
Ke= 1/2 mv2
6
Q
Potential energy
A
The product of mass, gravitational field strength and height.
GPE= Mgh
