Soc 20 - Levers Flashcards
1
Q
First class lever
A
When the fulcrum is in the middle
Rowing a boat
-Rower is the effort
-Water is the load
2
Q
Second class lever
A
When the load is in the middle
Wheelbarrow for example:
-Wheel is the fulcrum
-Handles take the effort
-Load is inbetween them
3
Q
Third class lever
A
When the effort is in the middle
A spade for example:
-Hand on the end is the fulcrum
-Hand in the middle is the effort
-Whats on the bottom is the load
4
Q
A fulcrum (the joint)
A
A point where the lever rotates
Similiar to the middle of a see saw
5
Q
A load (the weight)
A
The force that is applied by the lever system
6
Q
Efforts (the muscle)
A
The force applied by the user of the lever system
