Work Done And Power Flashcards
1
Q
What is work done?
A
Is the force and distance moved by object because of the force
1J = 1Nm
2
Q
How do you work out efficiency?
A
Useful energy by device / total energy to device
3
Q
What is power?
A
Rate of energy transfer.
Power (W) =work done(J)/time taken(s)
P= ET
4
Q
How do you work out work down?
A
Word done = force x distance
E=Fxd
