4-54. The A-frame is being hoisted into an upright position by the vertical force of F= 80 lb. Determine the moment of this force about the y' axis passing through points A and B when the frame is in the position shown. 4-55. The A-frame is being hoisted into an upright position by the vertical force of F= 80 lb. Determine the moment of this force about the x axis when the frame is in the position shown. X A 6 ft 30° 15° Probs. 4-54/55 6 ft- *4-60. The A-frame is being hoisted into an upright position by the vertical force of F= 80 lb. Determine the moment of this force about the y axis when the frame is in the position shown.
4-54. The A-frame is being hoisted into an upright position by the vertical force of F= 80 lb. Determine the moment of this force about the y' axis passing through points A and B when the frame is in the position shown. 4-55. The A-frame is being hoisted into an upright position by the vertical force of F= 80 lb. Determine the moment of this force about the x axis when the frame is in the position shown. X A 6 ft 30° 15° Probs. 4-54/55 6 ft- *4-60. The A-frame is being hoisted into an upright position by the vertical force of F= 80 lb. Determine the moment of this force about the y axis when the frame is in the position shown.
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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Transcribed Image Text:4-54. The A-frame is being hoisted into an upright
position by the vertical force of F = 80 lb. Determine the
moment of this force about the y' axis passing through
points A and B when the frame is in the position shown.
4-55. The A-frame is being hoisted into an upright
position by the vertical force of F = 80 lb. Determine the
moment of this force about the x axis when the frame is in
the position shown.
30°
6 ft
15°
Probs. 4-54/55
6 ft
*4-60. The A-frame is being hoisted into an upright
position by the vertical force of F = 80 lb. Determine the
moment of this force about the y axis when the frame is in
the position shown.
WT
F
by
Wr
rec
of
the
4.5
Expert Solution
Step 1
(1)
To find:
The moment about the axis.
Given:
The force is .
The frame is shown below.
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