Question

8. What is the basis on which levers are divided
into three classes?
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Answer 1

Answer:

A lever is a rigid body capable of rotating on a point on itself. On the basis of the locations of fulcrum, load and effort, the lever is divided into three types. Also a leverage is a mechanical advantage gained in a mechanical system.

Components: fulcrum or pivot, load and effort

Examples: see-saw, bottle opener, etc

Classification: Simple machine

Explanation:

Answer 2

ok

Explanation:

because every state of a lever has its own functions ..