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5.84 The robotic manipulator is stationary and the y axis is verti- cal. The weights of the arms AB and BC act at their midpoints. The direction cosines of the centerline of arm AB are cos 0, = 0.174, cos 0y = 0.985, cos 0, = 0, and the direction cosines of the centerline of arm BC are cos 0, = 0.743, cos 0, = 0.557, cos 0, = -0.371. The support at A behaves like a fixed support. (a) What is the sum of the moments about A due to the weights of the two arms? (b) What are the reactions at A? -600 mm- B 160 N 200 N 600 mm

5.84 The robotic manipulator is stationary and the y axis is verti- cal. The weights of the arms AB and BC act at their midpoints. The direction cosines of the centerline of arm AB are cos 0, = 0.174, cos 0y = 0.985, cos 0, = 0, and the direction cosines of the centerline of arm BC are cos 0, = 0.743, cos 0, = 0.557, cos 0, = -0.371. The support at A behaves like a fixed support. (a) What is the sum of the moments about A due to the weights of the two arms? (b) What are the reactions at A? -600 mm- B 160 N 200 N 600 mm

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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5.84 The robotic manipulator is stationary and the y axis is verti- cal. The weights of the arms AB and BC act at their midpoints. The direction cosines of the centerline of arm AB are cos 0, = 0.174, cos 0y = 0.985, cos 0, = 0, and the direction cosines of the centerline of arm BC are cos 0, = 0.743, cos 0, = 0.557, cos 0, = -0.371. The support at A behaves like a fixed support. (a) What is the sum of the moments about A due to the weights of the two arms? (b) What are the reactions at A? -600 mm- 160 N 200 N A 600 mm
Transcribed Image Text:5.84 The robotic manipulator is stationary and the y axis is verti- cal. The weights of the arms AB and BC act at their midpoints. The direction cosines of the centerline of arm AB are cos 0, = 0.174, cos 0y = 0.985, cos 0, = 0, and the direction cosines of the centerline of arm BC are cos 0, = 0.743, cos 0, = 0.557, cos 0, = -0.371. The support at A behaves like a fixed support. (a) What is the sum of the moments about A due to the weights of the two arms? (b) What are the reactions at A? -600 mm- 160 N 200 N A 600 mm
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