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Q.

A knife is an example of a ____ lever.


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Detailed Solution

A knife is an example of a class-three lever.
“The effort is applied between the fulcrum and the load in a class – three lever.” In a lever, the joint to support around which the rod moves is called a fulcrum. The load is the object that has to be moved, lifted or cut. Some examples of class–three levels are knives, shovels, forceps etc.
 
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