n. It is the most important time because its the only time when we have any power.
(Rewrite as a compound sentence)
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it is most important time when we have any power..
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According to the principle of moments when an object is in equilibrium the sum of the anticlockwise moments about a turning point must be equal to the sum of the clockwise moments.
i.e Load × Load Arm = Effort × Effort Arm
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