A woman draws water from well using a fixed pulley.The mass of the bucket and the water is 8kg. Force applied by the women is 100 N. Calculate MA, VR and Efficiency.g=10ms^-2
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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
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