Power, Work and Energy Flashcards
1
Q
What is the formula for the work done by fluids (includes liquids and gasses)?
A
Work = Pressure * Change in Volume
2
Q
How is power related to energy?
A
Power = Change in Energy / Time
3
Q
How is power related to work?
A
Power = Work / Time
4
Q
What are the units for Watts?
A
Watts = Joules/Second
A watt is a measure of power.
5
Q
What is the equation and units for work?
A
Work = Force * Distance * Cosine(theta)
Work is measured in joules.
6
Q
What is cosine theta in the work equation?
A
Cosine theta is the angle between the force and the displacement
7
Q
What is the units for joules?
A
1 joule = 1 Newton meter (Nm)
