1
Q
What is work?
A
The product of force and displacement.
2
Q
W = ?
A
W = Fd
3
Q
What is the SI unit for Work?
A
Newton-meter(N*m) / Joules(J)
4
Q
Who Invented the term “Joules”?
A
James Prescott Joule
5
Q
What is erg?
A
A smaller unit of work
6
Q
What is the word “erg” derived from?
A
A greek work “ergon” which means work.
7
Q
What is positive work?
A
When the force is going in the same direction as the displacement.
8
Q
What is negative work?
A
When the force is going in the opposite direction as the displacement.
Work, Energy and Power
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