(a) What is the tension in the rope? (b) What is the magnitude of the force that the floor exerts on the plank?
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A 30.0 kg uniform plank is supported by the floor at one end and by a vertical rope at the other as shown in the figure. A 70.0 kg mass person stands on the plank a distance three-fourths of the length plank from the end on the floor. Round your anser to 3 significant figures.
(a) What is the tension in the rope?
(b) What is the magnitude of the force that the floor exerts on the plank?
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