Environmental Sciences, asked by kaka6410, 4 months ago

MA of the first class lever may be equal to,greater than or less than 1

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Answered by mmirzaakrambeig

Answer:

What is its mechanical advantage? A: To pry a nail out of a board, the fulcrum is located between the input and output forces. Therefore, when a hammer is used in this way it is a first class lever. The fulcrum is closer to the output force than the input force, so the mechanical advantage is > 1.

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