Work, energy and power (10) Flashcards
1
Q
Work
A
is done when a force moves an object in the direction of the force.
2
Q
Joule
A
1J = 1N × 1m.
3
Q
Energy
A
is the capacity to do work or to heat something up, measured in joules.
4
Q
Power
A
is the rate of doing work or transferring energy.
5
Q
Watt
A
1W = 1Js-1.
6
Q
Sankey diagram
A
a specific flow diagram in which the width of the arrows shown is proportional to the quantity of the flow. Used to show how energy is transferred in various processes.
