2.5 A stake is being pulled out of the ground by means of two ropes as shown. Knowing that a = 30°, determine by trigonometry (a) the magnitude of the force P so that the resultant force exerted on the stake is vertical, (b) the corresponding magnitude of the resultant. Answer

2.5 A stake is being pulled out of the ground by means of two ropes as shown. Knowing that a = 30°, determine by trigonometry (a) the magnitude of the force P so that the resultant force exerted on the stake is vertical, (b) the corresponding magnitude of the resultant. Answer

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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Question

2.5 A stake is being pulled out of the ground by means of two ropes as shown. Knowing that a = 30°, determine by
trigonometry (a) the magnitude of the force P so that the resultant force exerted on the stake is vertical, (b) the corresponding
magnitude of the resultant.
Answer
Fig. P2.5
120 N
25°
α
+4
P

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