What is the hardest working muscle in your body?
What is the general formula for work in the mechanical system?
What is the general formula for work in the fluid system?
What are the 2 ways work can be done in the fluid system?
How is pressure calculated at the dam (and is this an open or closed system)?
What factor changes in a hydraulic piston (and is this an open or closed system)?
How does a jet turbine engine work?
Why do some of the largest jets make the least noise?
What causes the atmosphere to move (the wind to blow)?