Which class of lever has the mechanical advantage always greater than 1. Give an example.

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Solution

Levers in which load is situated between the effort and the fulcrum are called class II levers.

The effort arm is always greater than the load arm in the class II lever.
$M e c h a n i c a l a d v a n t a g e o f l e v e r = \frac{e f f o r t a r m}{l o a d a r m}$
For class II lever, $effort arm > load arm$ .
Hence, the class II lever's mechanical advantage will always be greater than 1 always.
Example - mango cutter, nutcracker, etc.

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