By drawing a free-body diagram for the ring at A, determine the maximum weight W that can be supported in the position shown if each cable AC and AB can support a maximum tension of 600 lb before it fails tion B 12 The ring at A has negligible size so that it can be modelled as a particle. Imagine the ring at A to be separated or detached from the system. The (detached) ring at A is subjected to three external forces. They are caused by: i. ii. iii. raw the free-body diagram of the (detached) ring showing all these forces labeled with their magnitudes and directions. clude any other relevant information e.g. lengths, angles etc. AO

Elements Of Electromagnetics
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By drawing a free-body diagram for the ring at A, determine the maximum weight W that can be supported in the position shown
if each cable AC and AB can support a maximum tension of 600 lb before it fails.
B
12
30%
Solution
1. The ring at A has negligible size so that it can be modelled as a particle.
2. Imagine the ring at A to be separated or detached from the system.
3. The (detached) ring at A is subjected to three external forces. They are caused by:
i.
ii.
iii.
4. Draw the free-body diagram of the (detached) ring showing all these forces labeled with their magnitudes and directions.
Include any other relevant information e.g. lengths, angles etc.
AO
Transcribed Image Text:By drawing a free-body diagram for the ring at A, determine the maximum weight W that can be supported in the position shown if each cable AC and AB can support a maximum tension of 600 lb before it fails. B 12 30% Solution 1. The ring at A has negligible size so that it can be modelled as a particle. 2. Imagine the ring at A to be separated or detached from the system. 3. The (detached) ring at A is subjected to three external forces. They are caused by: i. ii. iii. 4. Draw the free-body diagram of the (detached) ring showing all these forces labeled with their magnitudes and directions. Include any other relevant information e.g. lengths, angles etc. AO
Solution
1. The ring at A has negligible size so that it can be modelled as a particle.
2. Imagine the ring at A to be separated or detached from the system.
3. The (detached) ring at A is subjected to three external forces. They are caused by:
iii.
4. Draw the free-body diagram of the (detached) ring showing all these forces labeled with their magnitudes and directions.
Include any other relevant information e.g. lengths, angles etc.
AO
5. Establish an xy-axes system on the free-body diagram and write down the equilibrium equations in each of the x and
y-directions
+ 1 ΣF = 0:
+ ΣF = 0:
6. Set the tension in AB to the maximum of 600 lb and solve for the maximum weight W:
Transcribed Image Text:Solution 1. The ring at A has negligible size so that it can be modelled as a particle. 2. Imagine the ring at A to be separated or detached from the system. 3. The (detached) ring at A is subjected to three external forces. They are caused by: iii. 4. Draw the free-body diagram of the (detached) ring showing all these forces labeled with their magnitudes and directions. Include any other relevant information e.g. lengths, angles etc. AO 5. Establish an xy-axes system on the free-body diagram and write down the equilibrium equations in each of the x and y-directions + 1 ΣF = 0: + ΣF = 0: 6. Set the tension in AB to the maximum of 600 lb and solve for the maximum weight W:
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