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Exercise 4.1 If the resultant R for F1, F2, F3 and F4 acts along r-r, find a. magnitude of F4. b. the resultant R. c. the components of F2 along a-a and b-b. Answer: (a) F4 = 38.5 N, (b) R= 12.96 N, (c) Fa-a= 55.5 N and F,-b = 93.4 N

Exercise 4.1 If the resultant R for F1, F2, F3 and F4 acts along r-r, find a. magnitude of F4. b. the resultant R. c. the components of F2 along a-a and b-b. Answer: (a) F4 = 38.5 N, (b) R= 12.96 N, (c) Fa-a= 55.5 N and F,-b = 93.4 N

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
Problem 1.1MA
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Exercise 4.1 If the resultant R for F1, F2, F3 and F4 acts along r-r, find a. magnitude of F4. y F2 = 100 N a, F1 = 40 Ni+15 Nj b. the resultant R. c. the components of F2 along a-a and b-b. Answer: (a) F4 = 38.5 N, (b) R = 12.96 N, (c) Fa-a=55.5 N and F-b= 93.4 N 4 10° 45° 60° a 20° F3 = 50 N F4
Transcribed Image Text:Exercise 4.1 If the resultant R for F1, F2, F3 and F4 acts along r-r, find a. magnitude of F4. y F2 = 100 N a, F1 = 40 Ni+15 Nj b. the resultant R. c. the components of F2 along a-a and b-b. Answer: (a) F4 = 38.5 N, (b) R = 12.96 N, (c) Fa-a=55.5 N and F-b= 93.4 N 4 10° 45° 60° a 20° F3 = 50 N F4
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