In which situation does Lever of the first order have the mechanical advantage (a) more than one (b) less than 1?

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Solution

Explanation
mechanical advantage >1
Mechanical advantage can be more than 1 when the effort arm is larger than the load arm or by moving the fulcrum towards the load.
mechanical advantage <1
Mechanical advantage can be less than when the effort arm is smaller than the load arm or by moving the fulcrum towards the effort.

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