Question

what is a lever? also mention it types
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Answer 1

Answer:

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According to where the load and effort are located with respect to the fulcrum, there are three types or classes of lever: First-Class Lever. Second Class Lever. Third Class Lever.

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Answer 2

Answer:

Levers are the most basic machines which are used to do some work with minimal effort. A lever amplifies an input force to provide a greater output force, which is said to provide leverage.

According to where the load and effort are located with respect to the fulcrum, there are three types or classes of lever:  

• First-Class Lever
• Second Class Lever
• Third Class Lever