Question

3. What is a lever? Describe the three types of levels ​

Answer 1

Explanation:

Lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself.

There are three types of levers: first class, second class and third class. The difference between the three classes depends on where the force is, where the fulcrum is and where the load is.

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Answer 2

Answer:

A bar or tool that is used to lift or open something when you put pressure or force on one end

There are three types of levers: first class, second class and third class. The difference between the three classes depends on where the force is, where the fulcrum is and where the load is. In a first class lever, the fulcrum is located between the input force and output force.

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