A fixed pulley is being used to draw water from a well. A force of100 N has to be applied to pull up a bucket that along with water in it, weighs 7.0 kg. If g = 10 m s- , calculate the mechanical advantage of the setup.(2J
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Explanation:
Mass of the bucker with water, m=6kg
Load of bucket and water, W=6×10=60N
Force applies by women, F=70N
Mechanical advantage = Load / Effort =
F
W
=
70
60
=0.86
Hence, mechanical advantage is 0.86
December 27, 2019
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