3.3 Work, Energy And Power Flashcards
1
Q
Define work Done
A
Froce x distance travelled im direction of force
2
Q
Define closed system
A
A system in which all energy transfers are accounted for Energy cannot enter or leave
3
Q
State the principle of conservation of energy
A
Total energy of a closed system remains constant
It can niether be created or destroyed, only transferred from one form to another
4
Q
Two equations for power
A
Work done / time
Force x velocity
