Levers Flashcards
1
Q
What 3 things make a lever in the body?
A
Joint
Muscle
Limb
2
Q
What are 3 parts making up a lever?
A
Fulcrum
Load
Resistance
3
Q
What are the 2 types of arms?
A
Effort arm and resistance arm
4
Q
What do the arms do for each lever?
A
Change depending on the class of lever
5
Q
What’s the mechanical advantage and disadvantage of the 1st class lever?
A
Large range of movement
Fast
Cannot lift heavy loads
6
Q
What’s the advantages and disadvantages of the third class lever?
A
Large range of movement
Fast
Cannot lift heavy loads
7
Q
What’s the advantages and disadvantages of the 2nd class lever?
A
Can lift heavy loads with minimal effort
Slow
Small range of movement
8
Q
A
