Work + Power Flashcards
1
Q
what is ‚doing work‘
A
is using a force to make an object move
2
Q
formula: work
A
work = force x distance
3
Q
what is power?
A
power is a measure of how quickly work is done ( the rate at which something transfers energy from one form to another)
4
Q
formula for power
A
power = work / time
5
Q
what is the unit for work?
A
Joules / J
6
Q
what is the unit for power?
A
Watt / W
Joules per second / J/s
7
Q
a 100W light bulb:
A
converts 100 joules into light and heat energy each second
