3. The figure shows three forces acting on a pin-supported rectangular plate at points A, B, and C. Use the scalar method of computing moments in this problem. a. Compute the moment of the force at A about D and write your answer in vector form (note: you can use the scalar method to find the moment). b. c. If F= 20 lb and 8 = 30°, compute the magnitude of the horizontal force Fc that makes the resultant moment of these three forces about D equal to zero. 16 in Compute the magnitude and orientation (0 << 180°) of the smallest force Fg that creates the same moment about D that you found in part (a). 30 in 23° 55 16 A 24 in B 20 in C FB Fc
3. The figure shows three forces acting on a pin-supported rectangular plate at points A, B, and C. Use the scalar method of computing moments in this problem. a. Compute the moment of the force at A about D and write your answer in vector form (note: you can use the scalar method to find the moment). b. c. If F= 20 lb and 8 = 30°, compute the magnitude of the horizontal force Fc that makes the resultant moment of these three forces about D equal to zero. 16 in Compute the magnitude and orientation (0 << 180°) of the smallest force Fg that creates the same moment about D that you found in part (a). 30 in 23° 55 16 A 24 in B 20 in C FB Fc
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Given:
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(a)
The force component of force at A about x axis :
The force component in y direction:
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