Work Done And Power Flashcards
1
Q
What is the scientific definition of ‘work done’?
A
Work done is the energy transferred between two types of a situation.
2
Q
What is energy?
A
The ability to do work
3
Q
What is power?
A
Rate at which work is done
4
Q
How is ‘work done’ measured?
A
Work done, just like energy, is measured in joules. If no energy is transferred then no work is done.
5
Q
List 5 examples of ‘work done’
A
Climbing a flight of stairs Running 100m Swimming Lifting weights A falling parachutist
6
Q
List 4 examples of no ‘work done’
A
Watching TV
Sitting still in a chair
Reading a book
Playing video games (unless Wii or Xbox kinect)
