Question

Which of the following are examples of class III levers?

1.
2.
3.
4.

• A. Only 1 & 4
• B. 2, 3 & 4
• C. Only 2 & 3

Answer 1

The correct option is C

Only 2 & 3

1. First one is a cutting plier - fulcrum is in the middle of the load and effort - class I
2. Second one is tongs - effort is in the middle of the fulcrum and load - class III
3. Third one is an axe - effort is in the middle of fulcrum and load - class III
4. Fourth one is a nutcracker - load is in the middle of fulcrum and effort - class II

Only 2 and 3 are class III levers.