The direction of the resultant moment of the two couples act on the beam shownbelow is-F200 lb200 lb30°1.5 ft1.25 ft130°→ F2 ftO clockwiseO counterclockwise

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Answered: The direction of the resultant moment…

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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Four forces F1,F2,F3 and F4are being applied on a plate as shown in Figure 1.F1 = 1.2 kN, F2 = 2.3 kN, F3 =2.6 kN and F4 = 4.5 kN. Find the moment at P due to F4 using scalar formulation. Then, using vector formulation find the resultant moment at point P.
Also, determine the y-component and z-component of the moment about point O. Express your answer in units of kN-m.
2. Find the Moment about A and B for the forces acting on the body shown below. The forces acting at B are perpendicular to each other. 12N 20N 20N A 25N A 15N В 5m 8m 2m 8m C 10N 20N 14m 15N 12N
F1 F2 a C F3 d. F4 E B F5 Consider the following values: - a - 25 m; b - 5 m; c - 25 m; d - 5 m; F1 6 kN; F2 - 7 kN; F3 8 kN; F4 -9 kN; F5 - 10 kN; a = 30°, 0 = 60°, B= 45° 4] What is the resultant moment of the five forces acting on the rod about point D? a) - 177.8 kN.m b) 182.7 kN.m c) 121.9 kN.m d)- 228.6 kN.m e) -297.1 kN.m ) 230.1 kN.m Activate I 5] What is the moment of the force F2 about point E? c) 254.6 kN.m Go to Setting ) 321.3 kN.m a) 111.7 kN.m b) 218.1 kN.m d) 123.7 kN.m e) 101.1 kN.m
F1 F2 F3 A b F4 D F5 Consider the following values: - a = 25 m; b 5 m; c = 25 m; d = 5 m; F1 = 4 kN; F2 = 5 kN; F3 = 6 kN; F4 = 7 kN; F5 = 8 kN; a = 30°, 0 = 60° %3D B = 30° 1] What is the resultant moment of the five forces acting on the rod about point A? a) - 75.8 kN.m b) 32.7 kN.m c) - 14.6 kN.m d) 72.9 kN.m e) 27.1 kN.m - 66.1 kN.m 2] What is the resultant moment of the five forces acting on the rod about point B? a) - 198.8 kN.m b) 212.7 kN.m c) - 121.6 kN.m d) 98.9 kN.m e) 125.4 kN.m f) -170.2 kN.m 3] What is the resultant moment of the five forces acting on the rod about point C? a) - 96.7 kN.m b) 251.1 kN.m c) - 114.6 kN.m d) 217.9 kN.m 154.1 kN.m f)-177.7 kN.m 4] What is the resultant moment of the five forces acting on the rod about point D? a) - 198 kN.m b) 127 kN.m c) – 219 kN.m d) 369 kN.m e) 151 kN.m f) - 171 kN.m Activate V 5] What is the moment of the force F2 about point E? Go to Setting
If F = 270 lb, determine the resultant couple moment. Enter a counter clockwise moment as a positive and a clockwise moment as a negative. 2 ft 2 ft 2 ft 150 lb 30% 2 ft2 ft- F 40 BA 5 3 5 -F √30° 150 lb
Solve Q2
3) (i) State Varignon’s Theorem with its equation. (ii) Determine the moment of the forces about point O. As shown in the Figure
Find the couple moment M if the resultant force of the loading system (two forces of 400 N and 320 N and one moment of M N.m) passes through point O. M 160 mm 150 mm 150 mm 400 N 30° 60° 320 N
Determine the magnitude and direction sense of the resultant moment of the force about point O 25 ft 300 I| 50° 10 ft B E 5ft 450 Ib 30° M_o=4.844 kip.ft clockwise M_o=3.564 kip.ft clockwise M_o=7.026 kip.ft. a clockwise M_o=6.054 kip.ft a clockwise none of above
F1 F2 a B C. F4 D FS Consider the following values: a - 25 m; b - 5 m; c - 25 m; d - 5 m; F1 = 3 kN; F2 - 4 kN; F3 - 5 kN; P4 - 6 kN; F5 - 7 kN; a = 30°, 0 = 60°, B= 30° 1] What is the resultant moment of the five forces acting on the rod about point A? a) - 65.8 kN.m )-74.6 kN.m d) 42.9 KN.m e) - 53.7 kN.m f) - 97.1 kN.m b) 82.7 kN.m 2] What is the resultant moment of the five forces acting on the rod about point B? a) 98.8 kN.m b) 112.7 KN.m c) 321.6 kN.m d) 88.9 kN.m e) - 138.7 kN.m f) 214.2 kN.m 3] What is the resultant moment of the five forces acting on the rod about point C? a) - $6.7 kN.m b) 111.1 KN.m e) - 254.6 kN.m d) 217.9 kN.m e) - 146.2 kN.m ) 135.3 KN.m 4] What is the resultant moment of the five forces acting on the rod about point D? a) - 117.8 kN.m b) 182.7 KN.m c)- 281.9 KN.m d) 316.9 kN.m e) - 141.4 kN.m ) 210.1 kN.m 5] What is the moment of the force F2 about point E? a) 111.7 kN.m b) 28.1 kN.m c) 54.6 kN.m d) 93.1 kN.m e) 79.3 kN.m f) 21.3 kN.m

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The direction of the resultant moment of the two couples act on the beam shown below is -F 200 lb 130° 730° 200 lb 1.5 ft 1.25 ft → F -2 ft- O clockwise counterclockwise