Question

MA of third class lever is less than one?

Answer 1

In third-class levers the mechanical advantage is always less than 1 because the load arm is always longer than the effort arm. In the formula it's MA= effort divided by load which makes it less than one.


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Answer 2

Mechanical advantage of a class 3 lever is always less than 1 because the load arm is always longer than effort arm. This helps by reducing the applied force(effort). So, it is a speed multiplier.