Soc 20 Flashcards
1
Q
What is F
A
Fulcrum
2
Q
What is L
A
Load
3
Q
What is E
A
Effort
4
Q
Where are fulcrums in the body?
A
Joints
5
Q
What is a load?
A
Weight/resistance
6
Q
Where does effort occur in the body?
A
Muscles
7
Q
What is a “lever arm”?
A
Bone
8
Q
What is a fulcrum
A
The point around which the lever rotates
9
Q
First class lever?
A
E F L
10
Q
Second class lever?
A
F L E
11
Q
Third class lever?
A
F E L
12
Q
What is a mechanical advantage?
A
Where the output of the lever is greater than the input. First and second class work at a mechanical advantage.
13
Q
What is a mechanical disadvantage?
A
Where the input of the lever is greater than the output. Third class levers work at a mechanical disadvantage.
