Power Flashcards
0
Q
What is a powerful machine
A
One that transfers a lot of energy in a short space of time
1
Q
What is power
A
It is the rate of doing work e.g how much per second
2
Q
What is the formula for power
A
Work done ( energy transferred) / time taken
3
Q
What is power measured in
A
Watts
4
Q
What is one watt equal to
A
1 joule of energy transferred per second
5
Q
What does the power of a car depend on
A
Car size and design
