Asked by Abba
A pulley system of 4 pulleys is used to raise a loan of mass 50kg vertically,if its effeciency is 80%,determine the minimum effort required to raise the load(g=10ms-2)?
Answers
Answered by
bobpursley
see other post.
Answered by
bobpursley
effort=1/.8 * 50*9.8*k
what is k? that is the mechanical advantage, it will depend on how the pulleys are connected. In this case, the k probably equals 5, but one would have to look at it. https://www.khanacademy.org/science/physics/work-and-energy/mechanical-advantage/v/mechanical-advantage-part-3
what is k? that is the mechanical advantage, it will depend on how the pulleys are connected. In this case, the k probably equals 5, but one would have to look at it. https://www.khanacademy.org/science/physics/work-and-energy/mechanical-advantage/v/mechanical-advantage-part-3
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