Engineering, 28.09.2020 21:01 EMQPWE
3. Jack & Jill went up the hill to fetch a pail of water. At the well, Jill used a force
of 20.0 N to turn the crank handle of radius 0.400 m to rotate the axle of radius
0.100 m, so she could raise the 60.0 N bucket of water. A) What is the ideal
mechanical advantage of the wheel? B) What is the actual mechanical advantage
of the wheel? C) What is the efficiency of the wheel?
Answers: 2
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3. Jack & Jill went up the hill to fetch a pail of water. At the well, Jill used a force
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