Schematic diagrams with variable positions of Fulcrum, Load and effort for the levers of class I are shown below.

Their MA values, respectively, will be

M.A. = 1 , M.A > 1 and M.A < 1

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M.A. = 1 , M.A < 1 and M.A < 1

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M.A. = 1 , M.A > 1 and M.A > 1

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M.A. = 1 , M.A < 1 and M.A >1

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Solution

The correct option is A
M.A. = 1 , M.A > 1 and M.A < 1

MA=EA/LA, thus

If EA = LA , then the lever has MA = 1

If EA < LA , then the lever has MA < 1

If EA > LA , then the lever has MA > 1

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