Differentiate between the three classes of levers. Give at least two examples of each class.

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Solution

A lever is a rigid, straight, or bent bar that is capable of turning about a fixed axis.
The following is a table showing the differences between the three kinds of levers.
Class-I lever
Class-II lever
Class-III lever
The position of the fulcrum is in between the load and effort. The position of load is in between the fulcrum and effort. The position of effort is in between the load and fulcrum.
Eg: Pliers, Scissors Eg: Bottle opener, Nutcracker Eg: Sugar tong, Knife

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Similar questions

Name the three classes of levers and state how are they distinguished. Give two examples of each class.

Draw a labelled diagram of a class II lever. Give one example of such a lever.

Differentiate between the class-two lever and class-three lever.

State the characteristics of class II lever and give two examples.

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Class-I lever	Class-II lever	Class-III lever
The position of the fulcrum is in between the load and effort.	The position of load is in between the fulcrum and effort.	The position of effort is in between the load and fulcrum.
Eg: Pliers, Scissors	Eg: Bottle opener, Nutcracker	Eg: Sugar tong, Knife