Work and Power Flashcards
1
Q
Define work
A
The amount of energy needed to move an object
2
Q
Define Power
A
The rate at which work is done
3
Q
What is the units for work?
A
Joules
4
Q
What is the units for power?
A
Watts
5
Q
In the work equation W= Fs, what does the s represent?
A
Displacement
6
Q
If a person pushed on a boulder(rock) and it doesn’t move, was work done?
A
No
7
Q
What is the law of conservation of energy?
A
Energy cannot be created or destroyed only transferred or transformed.
8
Q
Define energy transformation
A
Energy changing from one form to another.
9
Q
Define energy transfer
A
Energy staying in the same form, however, moving from one area to another.
