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= 8 in. r= 3 in. G 40° P D

= 8 in. r= 3 in. G 40° P D

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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If the clockwise angular velocity of crankshaft AB is constant, which of the following statement is true?

  • The angular velocity of BD is constant
  • The linear acceleration of point B is zero
  • The angular velocity of BD is counterclockwise
  • The linear acceleration of point B is tangent to the path
The image depicts a mechanical linkage system with several labeled components and dimensions. 1. **Points and Labels**: - Point A is the pivot or rotational point of the first arm. - Point B connects the first arm to the second arm. - Point D appears to be the end of the mechanism that interacts with the block labeled P. - Point G is labeled on the second arm. 2. **Dimensions**: - The length from point A to point B is indicated as \( r = 3 \, \text{in.} \) - The length from point B to point D is labeled as \( l = 8 \, \text{in.} \) 3. **Angles**: - The angle between the horizontal axis and the first arm (AB) is marked as \(40^\circ\). - An angle \( \beta \) is indicated near point G on the second arm; its exact degree is not provided. 4. **Description of Components**: - The first arm (AB) has a length \( r = 3 \, \text{in.} \) and forms a \(40^\circ\) angle with the horizontal. - The second arm extends from B to D with a length \( l = 8 \, \text{in.} \). It holds a block, labeled as P, perpendicular to the arm at point D. - The system suggests a mechanical context, potentially depicting a lever or robotic arm used to push or pull block P. This description serves as an overview of the mechanical setup, focusing on the spatial relationships, measurements, and potential functionality of the depicted mechanism.
Transcribed Image Text:The image depicts a mechanical linkage system with several labeled components and dimensions. 1. **Points and Labels**: - Point A is the pivot or rotational point of the first arm. - Point B connects the first arm to the second arm. - Point D appears to be the end of the mechanism that interacts with the block labeled P. - Point G is labeled on the second arm. 2. **Dimensions**: - The length from point A to point B is indicated as \( r = 3 \, \text{in.} \) - The length from point B to point D is labeled as \( l = 8 \, \text{in.} \) 3. **Angles**: - The angle between the horizontal axis and the first arm (AB) is marked as \(40^\circ\). - An angle \( \beta \) is indicated near point G on the second arm; its exact degree is not provided. 4. **Description of Components**: - The first arm (AB) has a length \( r = 3 \, \text{in.} \) and forms a \(40^\circ\) angle with the horizontal. - The second arm extends from B to D with a length \( l = 8 \, \text{in.} \). It holds a block, labeled as P, perpendicular to the arm at point D. - The system suggests a mechanical context, potentially depicting a lever or robotic arm used to push or pull block P. This description serves as an overview of the mechanical setup, focusing on the spatial relationships, measurements, and potential functionality of the depicted mechanism.
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