The four-bar linkage operates the forks of a fork lift truck. The force supported by the forks is W=8KN. Determine the reactions on member CDE. The image illustrates a mechanical lever system, consisting of interconnected bars and joints, designed for lifting with a pair of forks labeled as "W". Here's a detailed explanation:1. **Structure Components**: - The system is anchored at point \( A \) on the ground, which connects to segment \( AB \). - Segment \( AB \) has a vertical portion measuring 0.15 meters from the ground, then extends horizontally by 0.2 meters to connect to point \( B \).2. **Segment Geometry**: - Point \( B \) connects to segment \( BC \), which ascends at an angle. - From point \( B \) to point \( C \), the length is 0.2 meters, moving upward and slightly left.3. **Fork Mechanism**: - From point \( C \), segment \( CD \) extends horizontally for 0.7 meters to the right towards the lifting forks. - The forks are depicted at the end of segment \( CD \), facing downwards, illustrating the direction of load \( W \) which acts on the forks.4. **Support and Articulation**: - An intermediate support system is present involving segments \( DE \) and \( EF \). - Segment \( DE \) extends 0.3 meters downward from \( C \), connecting to point \( E \). - Point \( E \) extends back upwards and slightly to the right to point \( F \), resting on the ground, which is positioned 0.2 meters horizontally from point \( D \).5. **Hydraulic/Pneumatic Cylinder**: - A hydraulic or pneumatic cylinder, labeled \( F \), connects to point \( D \) with an inclined arm reaching from the base at \( F \) up 0.3 meters to point \( D \). - This cylinder provides the necessary force to push or pull the system as needed for operation.This system likely models a simplified forklift or material handling apparatus used in engineering education to demonstrate force distribution and mechanical advantage principles.

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Answered: -0.7 m - |0.15 m 0.2 m W D.15 m B. DE…

Engineering

Mechanical Engineering

-0.7 m - |0.15 m 0.2 m W D.15 m B. DE Forks 0.2 m A 0.3 m F

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 four-bar linkage operates the forks of a fork lift truck. The force
supported by the forks is W=8KN. Determine the reactions on member CDE.

The image illustrates a mechanical lever system, consisting of interconnected bars and joints, designed for lifting with a pair of forks labeled as "W". Here's a detailed explanation:

1. **Structure Components**:
- The system is anchored at point \( A \) on the ground, which connects to segment \( AB \).
- Segment \( AB \) has a vertical portion measuring 0.15 meters from the ground, then extends horizontally by 0.2 meters to connect to point \( B \).

2. **Segment Geometry**:
- Point \( B \) connects to segment \( BC \), which ascends at an angle.
- From point \( B \) to point \( C \), the length is 0.2 meters, moving upward and slightly left.

3. **Fork Mechanism**:
- From point \( C \), segment \( CD \) extends horizontally for 0.7 meters to the right towards the lifting forks.
- The forks are depicted at the end of segment \( CD \), facing downwards, illustrating the direction of load \( W \) which acts on the forks.

4. **Support and Articulation**:
- An intermediate support system is present involving segments \( DE \) and \( EF \).
- Segment \( DE \) extends 0.3 meters downward from \( C \), connecting to point \( E \).
- Point \( E \) extends back upwards and slightly to the right to point \( F \), resting on the ground, which is positioned 0.2 meters horizontally from point \( D \).

5. **Hydraulic/Pneumatic Cylinder**:
- A hydraulic or pneumatic cylinder, labeled \( F \), connects to point \( D \) with an inclined arm reaching from the base at \( F \) up 0.3 meters to point \( D \).
- This cylinder provides the necessary force to push or pull the system as needed for operation.

This system likely models a simplified forklift or material handling apparatus used in engineering education to demonstrate force distribution and mechanical advantage principles.

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