Question

efficiency of a lever is 30% if its MA is 3 calculate
effort applied to lift a loadvof 1200N by using the lever
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Answer 1

Answer:

Efficiency= 30%

MA= 3

THEN

LOAD= 1200N

Explanation:

NOW, MA= 3

OR, LOAD/EFFORT=3

OR, 1200/E=3

OR 1200/3=E

EFFORT= 400 ANS

HOPE IT HELPS!!

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THANKYOU!!