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у - ахis F4 F5 X- axis F1 х- ахis y - axis F3 F1 F2 Figure (1) Figure (2) 250 N 36.87 F2 D 60°! 0.5 m B. 1 m 0.2 m 1 m 300 N F1 1 m Figure (3) Figure (4) Q1] Answer the following questions: For figure (1): The object is subjected to two forces F1 = 25 N, and F2 = 50 N. Set x = 30°, 0 = 45° , and ß = 30°. 1 - What is the magnitude of the resultant of these two forces? a) 39.4 N b) 80.1N c) 41.6 N d) 69.8 N e) 71.4 N f) 46.1 N g) None of them 2 - What is the direction of the resultant force measured counterclockwise from the positive x-axis? a) 14.3° b) 392.6° c) 9.2° d) 322.9° e) 6.8° f) 344.2° g) None of them N 00S

у - ахis F4 F5 X- axis F1 х- ахis y - axis F3 F1 F2 Figure (1) Figure (2) 250 N 36.87 F2 D 60°! 0.5 m B. 1 m 0.2 m 1 m 300 N F1 1 m Figure (3) Figure (4) Q1] Answer the following questions: For figure (1): The object is subjected to two forces F1 = 25 N, and F2 = 50 N. Set x = 30°, 0 = 45° , and ß = 30°. 1 - What is the magnitude of the resultant of these two forces? a) 39.4 N b) 80.1N c) 41.6 N d) 69.8 N e) 71.4 N f) 46.1 N g) None of them 2 - What is the direction of the resultant force measured counterclockwise from the positive x-axis? a) 14.3° b) 392.6° c) 9.2° d) 322.9° e) 6.8° f) 344.2° g) None of them N 00S

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.12P
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3G 9:.. %79 Final 1st attem... F2 У - ахis Fs F4 F1 х - ахis X- axis y - axis F3 F2 F1 Figure (1) Figure (2) 250 N 36.87 D F2 60° 0.5 m 1 m o! 0.2 m 1 m 300 NE F1 1 m Figure (3) Figure (4) Q1] Answer the following questions: For figure (1): The object is subjected to two forces F1 = 25 N, and F2 = 50 N. Set x = 30°, 0 = 45° , and ß = 30°. 1- What is the magnitude of the resultant of these two forces? a) 39.4 N b) 80.1N c) 41.6 N d) 69.8 N e) 71.4 N f) 46.1 N g) None of them 2 - What is the direction of the resultant force measured counterclockwise from the positive x-axis? а) 14.30 b) 392.6° c) 9.2° d) 322.9° e) 6.8° f) 344.2° g) None of them For figure (2): The arm in is subjected to five forces as follows: F1 = 135 N, F2 = 98 N, F3 = 210 N, F4 = 56 N. If the y – direction resultant force is 144 N, and x = 40°, 0 = 50°, B = 70°: 3 – What is the magnitude of the force F5? a) 318.4 N b) 99.1N c) 151.6 N d) 36.5 N e) 111.2 N f) 18.8 N g) None of them 4 - What is the magnitude of the resultant of these five forces? a) 269.4 N b) 157.1N c) 354.5 N d) 280.6 N e) 155.4 N f) 329.1 N g) None of them 5 - What is the direction of resultant measured counterclockwise from the positive x-axis? a) 13.6° b) 285.5° c) 30.8° d) 110.1° e) 72.3° f) 190.9° g) None of them For figure (3): 6 - What is the magnitude of the resultant of these three forces? a) 182.9 N b) 325.8 N c) 542.3 N d) 196.6 N e) 422.4 N f) 298.1 N g) None of them 7- What is the resultant moment of the three forces acting on the beam about point C? a) 110.8 N.m b) 312.7 N.m c) 184.6 N.m d) 510.9 N.m e) 441.1 N.m f) 211.3 N.m g) None of them 8 - What is the resultant moment of the three forces acting on the beam about point D? a) 1396 N.m b) - 1517 N.m c) 2176 N.m d) - 989 N.m e) 1331 N.m f) - 1158 N.m g) None of them 9 - What is the resultant moment of the three forces acting on the beam about point B? a) - 625 N.m b) 299 N.m c) - 856 N.m d) 966 N.m e) - 584 N.m f) 293 N.m g) None of them 10 – What is the distance (d) measured from point D, where at which the resultant force intersects the beam? a) 3.44 m b) 2.92 m c) 1.66 m d) 3.11 m e) 2.17 m f) 1.13 m g) None of them N 00S
Transcribed Image Text:3G 9:.. %79 Final 1st attem... F2 У - ахis Fs F4 F1 х - ахis X- axis y - axis F3 F2 F1 Figure (1) Figure (2) 250 N 36.87 D F2 60° 0.5 m 1 m o! 0.2 m 1 m 300 NE F1 1 m Figure (3) Figure (4) Q1] Answer the following questions: For figure (1): The object is subjected to two forces F1 = 25 N, and F2 = 50 N. Set x = 30°, 0 = 45° , and ß = 30°. 1- What is the magnitude of the resultant of these two forces? a) 39.4 N b) 80.1N c) 41.6 N d) 69.8 N e) 71.4 N f) 46.1 N g) None of them 2 - What is the direction of the resultant force measured counterclockwise from the positive x-axis? а) 14.30 b) 392.6° c) 9.2° d) 322.9° e) 6.8° f) 344.2° g) None of them For figure (2): The arm in is subjected to five forces as follows: F1 = 135 N, F2 = 98 N, F3 = 210 N, F4 = 56 N. If the y – direction resultant force is 144 N, and x = 40°, 0 = 50°, B = 70°: 3 – What is the magnitude of the force F5? a) 318.4 N b) 99.1N c) 151.6 N d) 36.5 N e) 111.2 N f) 18.8 N g) None of them 4 - What is the magnitude of the resultant of these five forces? a) 269.4 N b) 157.1N c) 354.5 N d) 280.6 N e) 155.4 N f) 329.1 N g) None of them 5 - What is the direction of resultant measured counterclockwise from the positive x-axis? a) 13.6° b) 285.5° c) 30.8° d) 110.1° e) 72.3° f) 190.9° g) None of them For figure (3): 6 - What is the magnitude of the resultant of these three forces? a) 182.9 N b) 325.8 N c) 542.3 N d) 196.6 N e) 422.4 N f) 298.1 N g) None of them 7- What is the resultant moment of the three forces acting on the beam about point C? a) 110.8 N.m b) 312.7 N.m c) 184.6 N.m d) 510.9 N.m e) 441.1 N.m f) 211.3 N.m g) None of them 8 - What is the resultant moment of the three forces acting on the beam about point D? a) 1396 N.m b) - 1517 N.m c) 2176 N.m d) - 989 N.m e) 1331 N.m f) - 1158 N.m g) None of them 9 - What is the resultant moment of the three forces acting on the beam about point B? a) - 625 N.m b) 299 N.m c) - 856 N.m d) 966 N.m e) - 584 N.m f) 293 N.m g) None of them 10 – What is the distance (d) measured from point D, where at which the resultant force intersects the beam? a) 3.44 m b) 2.92 m c) 1.66 m d) 3.11 m e) 2.17 m f) 1.13 m g) None of them N 00S
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