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20. An electric winch is used to raise a 40 kg package and a 10 kg package vertically up the side of a building as

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20. An electric winch is used to raise a 40 kg package and a 10 kg package vertically up the side of a building as pictured in the diagram. There is a frictional force of 60 N acting between the wall and the 40 kg package. The angle the cable makes to the vertical is 15. Include an appropriate freebody diagram for each of the packages. (Assume two significant digits) [10 marks]

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