The bar AB is supported by two smooth collars. At A the connection is with a ball-and-socket joint and at B it is a rigid attachment. Suppose that F= 75 lb load is applied to the bar. (Figure 1). Figure 6 ft 3 ft 50 <1 of 1 6 ft ▼ Part A Determine the x, y, z components of reaction force at A using scalar notation. Express your answers inpounds to three significant figures. Enter your answers separated by commas. Az. Ay, A₂= 25,0,240 Submit Part B AE Ivec 4 X Incorrect; Try Again; 15 attempts remaining Previous Answers Request Answer B₂, B₂, B, 25, -75,0 Part C Determine the x, y, z components of reaction force at B using scalar notation. Express your answers in pounds to three significant figures. Enter your answers separated by commas. AE Ivec Submit Previous Answers Request Answer X Incorrect; Try Again; 16 attempts remaining Provide Feedback (MB)z. (MB)y. (MB)==-450, 1370,0 → ΨΕ ΑΣΦ. 11 Ivec 4 Submit Previous Answers Request Answer X Incorrect; Try Again; 14 attempts remaining Determine the x, y, z components of the moment of reaction at B using scalar notation. Express your answers in pound feet to three significant figures. Enter your answers separated by commas. ? PMC ? lb @ lb ? lb-ft

The bar AB is supported by two smooth collars. At A the connection is with a ball-and-socket joint and at B it is a rigid attachment. Suppose that F= 75 lb load is applied to the bar. (Figure 1). Figure 6 ft 3 ft 50 <1 of 1 6 ft ▼ Part A Determine the x, y, z components of reaction force at A using scalar notation. Express your answers inpounds to three significant figures. Enter your answers separated by commas. Az. Ay, A₂= 25,0,240 Submit Part B AE Ivec 4 X Incorrect; Try Again; 15 attempts remaining Previous Answers Request Answer B₂, B₂, B, 25, -75,0 Part C Determine the x, y, z components of reaction force at B using scalar notation. Express your answers in pounds to three significant figures. Enter your answers separated by commas. AE Ivec Submit Previous Answers Request Answer X Incorrect; Try Again; 16 attempts remaining Provide Feedback (MB)z. (MB)y. (MB)==-450, 1370,0 → ΨΕ ΑΣΦ. 11 Ivec 4 Submit Previous Answers Request Answer X Incorrect; Try Again; 14 attempts remaining Determine the x, y, z components of the moment of reaction at B using scalar notation. Express your answers in pound feet to three significant figures. Enter your answers separated by commas. ? PMC ? lb @ lb ? lb-ft

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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Concept explainers

Design Against Fluctuating Loads

Machine elements are subjected to varieties of loads, some components are subjected to static loads, while some machine components are subjected to fluctuating loads, whose load magnitude tends to fluctuate. The components of a machine, when rotating at a high speed, are subjected to a high degree of load, which fluctuates from a high value to a low value. For the machine elements under the action of static loads, static failure theories are applied to know the safe and hazardous working conditions and regions. However, most of the machine elements are subjected to variable or fluctuating stresses, due to the nature of load that fluctuates from high magnitude to low magnitude. Also, the nature of the loads is repetitive. For instance, shafts, bearings, cams and followers, and so on.

Design Against Fluctuating Load

Stress is defined as force per unit area. When there is localization of huge stresses in mechanical components, due to irregularities present in components and sudden changes in cross-section is known as stress concentration. For example, groves, keyways, screw threads, oil holes, splines etc. are irregularities.

Question

The bar AB is supported by two smooth collars. At A the
connection is with a ball-and-socket joint and at B it is a rigid
attachment. Suppose that F = 75 lb load is applied to the bar.
(Figure 1).
Figure
6 ft
E
311.
B
50
< 1 of 1
6 ft
Part A
Determine the x, y, z components of reaction force at A using scalar notation.
Express your answers inpounds to three significant figures. Enter your answers separated by commas.
Az. Ay, Az = 25,0,240
Submit Previous Answers Request Answer
X Incorrect; Try Again; 15 attempts remaining
Part B
AΣ Ivec
Submit
Determine the x, y, z components of reaction force at B using scalar notation.
Express your answers in pounds to three significant figures. Enter your answers separated by commas.
B₂. By, B.= 25, -75,0
Part C
1ΨΕΙ ΑΣΦ | 11
X Incorrect; Try Again; 16 attempts remaining
vec 3
Previous Answers Request Answer
(MB)z. (MB)y. (Mn). =
Provide Feedback
AΣ vec
Determine the x, y, z components of the moment of reaction at B using scalar notation.
Express your answers in pound feet to three significant figures. Enter your answers separated by commas.
-450,1370,0
Submit Previous Answers Request Answer
* Incorrect; Try Again; 14 attempts remaining
?
1
lb
?
lb
?
lb-ft

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