Question

Four simple machines are given below. Identify the pair of simple machines that belong to class II levers.

• A. $A$ and $B$
• B. $C$ and $D$
• C. $B$ and $C$
• D. $D$ and $A$

Answer 1

Answer: (C)

$B$ and $C$

A class II lever has the load between effort and fulcrum . In fig. B and C load is between effort and fulcrum , therefore they are class II levers .

A class I lever has the fulcrum between effort and load . In fig. A and D fulcrum is between effort and load , therefore they are class I levers .