Soc 20-levers Flashcards
1
Q
First class lever
A
-Fulcrum in the middle
-work at a mechanical advantage
2
Q
Second class lever
A
-load in the middle
-work at a mechanical advantage
3
Q
Third class lever
A
-effort in the middle
-work at a mechanical disadvantage
4
Q
Examples of first class lever
A
-Tricep dip
-nodding head
5
Q
Examples of second class lever
A
-calf raises
-using a wheelbarrow
6
Q
Examples of third class lever
A
-tricep dip
-nodding head
7
Q
Mechanical advantage
A
Input>output
8
Q
Mechanical disadvantage
A
Output>input
