Q2. A 40 lbs lamp is suspended by cables as shown. What are the tensions in each of the 4 cables if the coordinate direction angles for Cable B are a = 120°, ß = 145° and y = 73.68°? Use Matlab or the FY calculator to solve the system of equations.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Q2. A 40 lbs lamp is suspended by cables as shown. What are the tensions in each of the 4 cables
if the coordinate direction angles for Cable B are a = 120°, ß = 145° and y = 73.68°? Use Matlab
or the FY calculator to solve the system of equations.
1 ft
Cable C
Ift
Z
Cable B
3ft
Cable D
30°
45°
Cable A
Q3. If each cable in Q2 can sustain a maximum tension of 70 lbs before it breaks, determine the
maximum weight of the lamp the cables can support.
Q4. A 40 lbs lamp is suspended by cables as shown in Q2. Determine the projected component
of the tension in cable A in the direction of cable B. Express the result as a Cartesian vector.
Transcribed Image Text:Q2. A 40 lbs lamp is suspended by cables as shown. What are the tensions in each of the 4 cables if the coordinate direction angles for Cable B are a = 120°, ß = 145° and y = 73.68°? Use Matlab or the FY calculator to solve the system of equations. 1 ft Cable C Ift Z Cable B 3ft Cable D 30° 45° Cable A Q3. If each cable in Q2 can sustain a maximum tension of 70 lbs before it breaks, determine the maximum weight of the lamp the cables can support. Q4. A 40 lbs lamp is suspended by cables as shown in Q2. Determine the projected component of the tension in cable A in the direction of cable B. Express the result as a Cartesian vector.
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