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The best way to increase the mechanical advantage of the following second-class lever is

Effort 4

Load

Fulcrum

Class 2 Lever

A To move the load further away from the fulcrum

B To move the load closer to the fulcrum

To increase the size of the fulcrum

D) To increase the effort

The best way to increase the mechanical advantage of a second-class lever is to move the load closer to the fulcrum. This will reduce the distance that the effort needs to travel to move the load, thus increasing the mechanical advantage of the lever. So, the correct answer is B) To move the load closer to the fulcrum.