Translations:Adventist Youth Honors Answer Book/Health and Science/Physics/49/en

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The principle of the lever tells us that the above is in static equilibrium, with all forces balancing, if F1D1 = F2D2.

A fulcrum is the support on which a lever turns in moving a body.

By changing the distance between the load and the fulcrum, we can increase or decrease the mechanical advantage of the machine known as a lever.

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