The mechanical advantage of a machine is the factor by which it multiplies any applied force. It is a measure of the ratio of output force to input force.
<em><u>Mechanical advantage of levers depends on how far away each are from the fulcrum. </u></em>
<em><u>The mechanical advantage of a lever is increased when either the effort is moved further away from the fulcrum or the load is shifted closer to the fulcrum, or both.</u></em>