Final answer:
The most frequently used scissors for cutting sutures are the class 2 levers.
Step-by-step explanation:
Scissors can be categorized as a double-lever system. In this case, the most analogous simple machine to scissors is the class 2 lever.
A class 2 lever has the fulcrum (the pivot point) located at one end, the input force applied at the other end, and the output force (the cutting action) in the middle.