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15° 15° W |120 lb 15° 4 ft 15° 4 ft P 15° 150 4 F NB 120 lb \N FBD 15° 4 ft FBD Fig. P4.12 150 Fig. P4.13 4.13 Calculate the force P that is required to hold the 120-lb roller at rest on the rough incline. F FBD 4 ft

15° 15° W |120 lb 15° 4 ft 15° 4 ft P 15° 150 4 F NB 120 lb \N FBD 15° 4 ft FBD Fig. P4.12 150 Fig. P4.13 4.13 Calculate the force P that is required to hold the 120-lb roller at rest on the rough incline. F FBD 4 ft

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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Please help me for 4.13. Why is my answer 43.9? The correct answer is 53.6…
15° 1 15° W |120 lb 15° ? 4 ft P 15° 4 ft 15° B. 150 4 A F NB 120 lb FBD P 15° 4 ft FBD Fig. P4.12 15° Fig. P4.13 4.13 Calculate the force P that is required to hold the 120-lb roller at rest on the rough incline. F 4.14 Solve Prob. 4.13 if the force P pushes rather than pulls. N FBD Fig. P4.14
Transcribed Image Text:15° 1 15° W |120 lb 15° ? 4 ft P 15° 4 ft 15° B. 150 4 A F NB 120 lb FBD P 15° 4 ft FBD Fig. P4.12 15° Fig. P4.13 4.13 Calculate the force P that is required to hold the 120-lb roller at rest on the rough incline. F 4.14 Solve Prob. 4.13 if the force P pushes rather than pulls. N FBD Fig. P4.14
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