Q. The lever with fulcrum on middle is known as:
Solution:
On the basis of the locations of fulcrum, load and effort, the lever is divided into three types. First order levers have the turning point(fulcrum) between the load and the effort. Or the effort is applied on one side of the fulcrum and the resistance (or load) on the other side, for example, a seesaw, a crowbar or a pair of scissors. Mechanical advantage may be greater than, less than, or equal to 1.
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