This exerts pressure
What is air?
A push or pull that causes an object to change movement or shape
What is force?
When force acts on mass, acceleration is produced
What is Newton's Second Law?
These make it easier to move a load
What are simple machines?
This is a backward force
What is gravity?
As the speed of a fluid increases, the pressure does this
What is decreases?
A moving load
What is a dynamic load?
The amount of matter in an object
What is mass?
A sliding force tearing parts in opposite directions
What is shear?
This is the most effective wing shape
What is an airfoil?
Two or more simple machines working in unison
What are complex machines?
This is an upward force
What is lift?
What is tension?
For every action, there is an equal and opposite reaction
What is Newton's Third Law?
What is a static load?
The force of gravity pulling on a mass
What is weight?
A twisting force
What is torsion?
Objects in motion stay in motion unless an external force is applied
What is Newton's First Law?
There are these many classes of levers
What is three classes?