Levers Flashcards
1
Q
What is the fulcrum
A
Fixed pivot point ( a joint)
2
Q
What is the effort
A
Source of energy (muscles)
3
Q
What is the load
A
The weight/resistance to be moved
4
Q
What is the saying to remember loads
A
FLE
123
5
Q
Give an example of a first class lever in the body
A
The neck
6
Q
Give an example of a second class lever in the body
A
The ankle
7
Q
Give an example of a third class lever in the body
A
Bicep contracting
8
Q
What is the arrow in a lever diagram
A
Effort
9
Q
What way is the effort pointing in the second and third class lever
A
Upwards
10
Q
What way is the load always facing
A
Downwards
11
Q
What is mechanical advantage
A
They are able to move large loads with a smaller force
12
Q
What is an effort arm
A
The distance from the fulcrum to the effort
13
Q
What levers have mechanical advantage
A
Second and possibly first
