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Draw a free-body diagram of the crane boom ABC, which has a mass of 45 kg, center of gravity at G, and supports a load of 30 Kg. The boom is pin-connected to the frame at B and connected to a vertical chain CD. The chain supporting the load is attached to the boom at A. 0.6 m -1.25 m-0.8 m- C

Draw a free-body diagram of the crane boom ABC, which has a mass of 45 kg, center of gravity at G, and supports a load of 30 Kg. The boom is pin-connected to the frame at B and connected to a vertical chain CD. The chain supporting the load is attached to the boom at A. 0.6 m -1.25 m-0.8 m- C

Elements Of Electromagnetics
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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Draw a free-body diagram of the crane boom ABC, which has a mass of 45 kg, center of gravity at G, and supports a load of 30 Kg. The boom is pin-connected to the frame at B and connected to a vertical chain CD. The chain supporting the load is attached to the boom at A. A 0.6 m -1.25 m-+0.8 mc B- T0.4 m D. Solution 1. Imagine the boom to be separated or detached from the system. 2. There is a pin connection at B and a vertical chain (cable) support at C. Use Table 2.1 (1) and (8) to determine the number and types of reactions acting on the boom at B and C. 3. The boom is subjected to five external forces. They are caused by: i. ii. iv. V. 4. Draw the free-body diagram of the (detached) boom showing all these forces labeled with their magnitudes and directions. Assume the sense of the vectors representing the reactions acting on the boom. Include any other relevant information e.g. lengths, angles etc. which may help when formulating the equilibrium equations (including the moment equation) for the boom.
Transcribed Image Text:Draw a free-body diagram of the crane boom ABC, which has a mass of 45 kg, center of gravity at G, and supports a load of 30 Kg. The boom is pin-connected to the frame at B and connected to a vertical chain CD. The chain supporting the load is attached to the boom at A. A 0.6 m -1.25 m-+0.8 mc B- T0.4 m D. Solution 1. Imagine the boom to be separated or detached from the system. 2. There is a pin connection at B and a vertical chain (cable) support at C. Use Table 2.1 (1) and (8) to determine the number and types of reactions acting on the boom at B and C. 3. The boom is subjected to five external forces. They are caused by: i. ii. iv. V. 4. Draw the free-body diagram of the (detached) boom showing all these forces labeled with their magnitudes and directions. Assume the sense of the vectors representing the reactions acting on the boom. Include any other relevant information e.g. lengths, angles etc. which may help when formulating the equilibrium equations (including the moment equation) for the boom.
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