Levers-(not including Diagrams) Flashcards
1
Q
What is a lever?
A
A lever is a rigid bar that turns about an axis to create movement
2
Q
What are the 4 lever components?
A
Lever (bone)
Fulcrum (joint)
Effort (muscular force)
Load (weight/resistance)
3
Q
What do you use to remember the 3? (Mr Eiken!)
A
F - 1
L - 2
E - 3
4
Q
What is a first class lever?
A
Fulcrum is in the middle
5
Q
What is a second class lever?
A
Load is in the middle
6
Q
What is a third class lever?
A
Effort is in the middle
7
Q
What is the effort arm?
A
The distance from the effort to the fulcrum
8
Q
What is the load arm?
A
The distance from the load to the fulcrum
