3.4.1.7 Work, energy and power Flashcards
1
Q
What is the formula for work done?
A
W = Fs
2
Q
What is work?
A
The energy that’s been changed from one form to another (not necessarily the total energy)
3
Q
What is power?
A
The rate at which work is done
4
Q
What is the formula for power?
A
P = delta W / delta t
5
Q
What does the area under a force-displacement graph tell you?
A
The work done
6
Q
What is the formula for power in moving objects?
A
P = Fv