6.1.1.4 Power Flashcards
1
Q
What is power?
A
- the rate at which energy is transferred
- the rate at which work is done
2
Q
What are the equations for power?
A
- power = energy transferred / time
- power = work done / time
3
Q
What is power measured in?
A
- watts
- W
4
Q
What is energy transferred measured in?
A
- joules
- J
5
Q
What is time measured in?
A
- seconds
- s
6
Q
What is work done measured in?
A
- joules
- J
7
Q
What is an energy transfer of 1 joule per second equal to?
A
- a power of 1 watt