Learning Goal: To determine Cartesian force components from magnitude and determine position and resultant vectors by summing Cartesian components. As shown, a 2.7-1b ball is suspended at point D inside a box with dimensions w = 9.50 ft, d = 6.50 ft, and h = 4.30 ft. The ball is held in place by three cables anchored at points A, B, and C on the surface of the box. B d point D is the origin of the Cartesian coordinate system, point A is located at (-4.40, -3.60, 2.70) ft, point B is located at (2.10, -3.60, 1.70) ft, and point C is located at (2.10, 5.90, -1.60) ft. If Part A - Determining Cartesian components of force The tension in cable DA has a magnitude of TDA = 7.11 lb. Find the Cartesian components of tension TDA, which is directed from D to A. Express your answers, separated by commas, to three significant figures. ▸ View Available Hint(s) TDA= Submit G| ΑΣΦ | 11 | vec| Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B - Determining an unknown force ? i lb, j lb, k lb If the tensions in cables DA and DB are TDA = 7.11 lb and TDB = 4.69 lb, respectively, what is the tension in cable DC? Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s)
Learning Goal: To determine Cartesian force components from magnitude and determine position and resultant vectors by summing Cartesian components. As shown, a 2.7-1b ball is suspended at point D inside a box with dimensions w = 9.50 ft, d = 6.50 ft, and h = 4.30 ft. The ball is held in place by three cables anchored at points A, B, and C on the surface of the box. B d point D is the origin of the Cartesian coordinate system, point A is located at (-4.40, -3.60, 2.70) ft, point B is located at (2.10, -3.60, 1.70) ft, and point C is located at (2.10, 5.90, -1.60) ft. If Part A - Determining Cartesian components of force The tension in cable DA has a magnitude of TDA = 7.11 lb. Find the Cartesian components of tension TDA, which is directed from D to A. Express your answers, separated by commas, to three significant figures. ▸ View Available Hint(s) TDA= Submit G| ΑΣΦ | 11 | vec| Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B - Determining an unknown force ? i lb, j lb, k lb If the tensions in cables DA and DB are TDA = 7.11 lb and TDB = 4.69 lb, respectively, what is the tension in cable DC? Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Learning Goal:
To determine Cartesian force components from
magnitude and determine position and resultant
vectors by summing Cartesian components.
As shown, a 2.7-1b ball is suspended at point D
inside a box with dimensions w = 9.50 ft,
d = 6.50 ft, and h = 4.30 ft. The ball is held in
place by three cables anchored at points A, B, and
C on the surface of the box.
B
W
point D is the origin of the Cartesian coordinate
system, point A is located at
(-4.40, -3.60, 2.70) ft, point B is located at
(2.10, -3.60, 1.70) ft, and point C is located at
(2.10, 5.90, -1.60) ft.
If
Part A - Determining Cartesian components of force
The tension in cable DA has a magnitude of TDA
directed from D to A.
Express your answers, separated by commas, to three significant figures.
► View Available Hint(s)
ΠΑΠ ΑΣΦ ↓↑ vec
TDA
Submit
Previous Answers Request Answer
=
Part B - Determining an unknown force
X Incorrect; Try Again; 5 attempts remaining
=
7.11 lb. Find the Cartesian components of tension TDA, which is
***
?
=
Review
i lb, j lb, k lb
7.11 lb and TDB
If the tensions in cables DA and DB are TDA
4.69 lb, respectively, what is the tension in cable DC?
Express your answer to three significant figures and include the appropriate units.
► View Available Hint(s)
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