) Calculate the moment M, of the 250-N force about the base point O of the robot. + Narrative : 20 400 mm A 60 250 N 500 mm 300 mm

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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**Transcription:**

---

**Name: ___________________________________________**

**Problem:**

Calculate the moment \( M_o \) of the 250-N force about the base point \( O \) of the robot.

---

**Diagram Description:**

The diagram depicts a mechanical arm, resembling a robot, comprised of multiple segments connected by joints. The arm extends from the base point \( O \) upwards, with two articulated sections labeled:

- A vertical section from \( O \) to \( A \) measuring 500 mm.
- A section from \( A \) to \( B \) inclined at an angle of 60° with the vertical, measuring 400 mm.
- A section from \( B \) to \( C \) inclined at an angle of 20° with the horizontal, measuring 300 mm.

A force of 250 N is applied at point \( C \), directed downward at an angle of 30° from the horizontal. The diagram includes angle measurement indicators and dimension lines clarifying the geometric configuration of the arm segments.

**Objective:**

Determine the moment produced by the 250-N force about the base point \( O \). This involves calculating the torque created by the force applied at \( C \) with respect to point \( O \).

**Page Number:**

1
Transcribed Image Text:**Transcription:** --- **Name: ___________________________________________** **Problem:** Calculate the moment \( M_o \) of the 250-N force about the base point \( O \) of the robot. --- **Diagram Description:** The diagram depicts a mechanical arm, resembling a robot, comprised of multiple segments connected by joints. The arm extends from the base point \( O \) upwards, with two articulated sections labeled: - A vertical section from \( O \) to \( A \) measuring 500 mm. - A section from \( A \) to \( B \) inclined at an angle of 60° with the vertical, measuring 400 mm. - A section from \( B \) to \( C \) inclined at an angle of 20° with the horizontal, measuring 300 mm. A force of 250 N is applied at point \( C \), directed downward at an angle of 30° from the horizontal. The diagram includes angle measurement indicators and dimension lines clarifying the geometric configuration of the arm segments. **Objective:** Determine the moment produced by the 250-N force about the base point \( O \). This involves calculating the torque created by the force applied at \( C \) with respect to point \( O \). **Page Number:** 1
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