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Physics, 13.03.2020 19:17 ooooooo828282828

Ray decides to paint the outside of his uncle's house. He uses a 4.0-m-long board supported by cables at each end to paint the second floor. The board has a mass of 21 kg. Ray (70 kg) stands 1.0 m from the left cable.
1. What is the force that the left cable exerts on the board?
2. What is the force that the right cable exerts on the board?

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