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3. A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 2. 00 m and the distance from the fulcrum to the load is 0. 500 m. A graph of resistance force vs. Effort force is shown. What is the mechanical advantage of the lever? what is the ideal mechanical advantage of the lever? what is the efficiency of the lever? show your work.

Answer :

In your question where as ask the man lift various loads with the same lever and the distance of the applied force from the fulcrum is 2m and the distance from the fulcorm to load is 0.5m.So the following are the answers to your questions:
a.mechanical advantage of the lever is 1
b..ideal mechanical advantage of the lever is 4
c.4

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