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प्रश्न
A woman draws water from a well using a fixed pulley. The mass of the bucket and water together is 60 kg. The force applied by the woman is 70 N. Calculate the mechanical advantage. [Take g = 10 m/s2].
उत्तर
M.A. =`"Load"/"Effort"`
= `(6xx10)/70`
= `60/70`
= `6/7`
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