chapter 5: work, energy, power 💪 Flashcards
1
Q
definition of work done
A
product of the force and its displacement in the direction of the force
2
Q
what does the area under F-x graph represent
A
elastic potential energy
3
Q
state the principle of conservation of energy
A
energy can neither be created nor destroyed, but it can be transformed from one form to another
4
Q
define power
A
rate at which work is done
5
Q
define efficiency
A
ratio of useful energy output to the energy input, expressed as a percentage
