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A lever has an effort arm that is 8 meters long and the resistance (load) arm that is

1.5 meters long, how much effort is needed to lift a 200 Newton weight?

User TimGJ
by
7.4k points

1 Answer

1 vote

Answer:

The effort force is 37.5 N.

Explanation:

We have,

Length of the effort arm is 8

Length of the resistance or load arm is 1.5 m

It is required to find how much effort is needed to lift a 200 Newton weight. The definition of mechanical advantage is :


m=\frac{\text{effort distance}}{\text{resistance distance}}=\frac{\text{resistance force}}{\text{effort force}}

Let F is effort force.


(8)/(1.5)=(200)/(F)\\\\F=(200* 1.5)/(8)\\\\F=37.5\ N

So, effort force is 37.5 N.

User Ariel Magbanua
by
6.9k points
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