How many primary joints are there in this mechanism? 22.9 22.9 /D E 4.5 typ.
How many primary joints are there in this mechanism? 22.9 22.9 /D E 4.5 typ.
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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Transcribed Image Text:**Question**: How many primary joints are there in this mechanism?
**Diagram Explanation**:
The diagram depicts a mechanical assembly with several components and joints. Here's a detailed breakdown:
- The main components are labeled as 1, 2, A, B, C, D, and E.
- Each component is connected to others at various points.
**Details**:
- The top horizontal component (marked as 1) is connected to two vertical components labeled as A at joints 2 and O\_2.
- A vertical connector (marked as 8) runs from the central top of A to connect mechanisms further down.
- Two diagonal components (C and D) are symmetrically aligned, each pivoting at one end to the horizontal component and the other end to the vertical component.
- E is a horizontal base which interacts with the vertical components.
**Measurements**:
- The horizontal distance between joints O\_2, A, and O\_3 is 22.9 units each.
- The vertical distance from the base E to the horizontal top (component 1) measures 4.5 units typically.
**Joint Identification**:
- The primary joints can be inferred as the points where the components connect and pivot.
- Based on connections labeled (O\_2, O\_3, etc.), count these pivot points to determine the number of primary joints in the assembly.
This description helps in understanding how each part functions within the mechanism and contributes to the movement and stability of the overall system.
Expert Solution

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Primary Joints include pins, sliders and other elements that allow pure rotation or pure linear motion.
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