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The block has a weight of 20 lb and is being hoisted at uniform velocity. The system is held in equi appropriate force in each cord. Draw the free-body diagram for the small pulley A. Solution 1. The pulley has negligible size so that it can be modelled as a particle. 2. Imagine the pulley to be separated or detached from the system. 3. The (detached) pulley is subjected to three external forces. They are caused by: i. iii. 4. Draw the free-body diagram of the (detached) pulley showing all these forces labeled with their magnitudes and directions. You should also include any other available information e.g. lengths, angles etc. - which will help when formulating the equilibrium equations for the knot.

The block has a weight of 20 lb and is being hoisted at uniform velocity. The system is held in equi appropriate force in each cord. Draw the free-body diagram for the small pulley A. Solution 1. The pulley has negligible size so that it can be modelled as a particle. 2. Imagine the pulley to be separated or detached from the system. 3. The (detached) pulley is subjected to three external forces. They are caused by: i. iii. 4. Draw the free-body diagram of the (detached) pulley showing all these forces labeled with their magnitudes and directions. You should also include any other available information e.g. lengths, angles etc. - which will help when formulating the equilibrium equations for the knot.

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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The block has a weight of 20 lb and is being hoisted at uniform velocity. The system is held in equilibrium at angle by the appropriate force in each cord. Draw the free-body diagram for the small pulley A. B 30° Solution 1. The pulley has negligible size so that it can be modelled as a particle. 2. Imagine the pulley to be separated or detached from the system. 3. The (detached) pulley is subjected to three external forces. They are caused by: i. ii. A iii. 4. Draw the free-body diagram of the (detached) pulley showing all these forces labeled with their magnitudes and directions. You should also include any other available information e.g. lengths, angles etc. - which will help when formulating the equilibrium equations for the knot.
Transcribed Image Text:The block has a weight of 20 lb and is being hoisted at uniform velocity. The system is held in equilibrium at angle by the appropriate force in each cord. Draw the free-body diagram for the small pulley A. B 30° Solution 1. The pulley has negligible size so that it can be modelled as a particle. 2. Imagine the pulley to be separated or detached from the system. 3. The (detached) pulley is subjected to three external forces. They are caused by: i. ii. A iii. 4. Draw the free-body diagram of the (detached) pulley showing all these forces labeled with their magnitudes and directions. You should also include any other available information e.g. lengths, angles etc. - which will help when formulating the equilibrium equations for the knot.
Expert Solution
Step 1: Draw the free body diagram of small pulley A.

Given:

The block has weight w equals 20 space lb.

The tension in the cord is T.

Assumption:

The pulley has negligible size.

Consider force in cord AB is F subscript A B end subscript.


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