Replace the force system by an equivalent resultant force and couple moment at point O. Take F3 = {-200i+ 400j – 250k} N. (Eigure 1)

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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## Educational Content on Resultant Force and Couple Moment

### Problem Statement
Replace the force system by an equivalent resultant force and couple moment at point \( O \). Take 
\[
\mathbf{F}_3 = \{-200\mathbf{i} + 400\mathbf{j} - 250\mathbf{k}\} \text{ N}.
\]
[Figure 1]

### Diagram Explanation
The figure illustrates a 3D coordinate system with an applied force system. It includes:
- A point \( O \) located in the \( x \), \( y \), and \( z \) space.
- A force \( F_1 = 300 \text{ N} \) acting upwards along the \( z \)-axis, located at a point 2 meters in the \( x \)-direction from \( O \).
- A force \( F_2 = 200 \text{ N} \) acting parallel along the \( x \)-axis, located 1.5 meters below on the \( y \)-axis from \( O \).
- A force \( F_3 = \{-200\mathbf{i} + 400\mathbf{j} - 250\mathbf{k}\} \text{ N} \), depicted by a vector in the negative \( x \)-direction, positive \( y \)-direction, and negative \( z \)-direction.

### Part A: Resultant Force
**Objective:** Determine the resultant force.

**Instructions:** 
Enter the \( x \), \( y \), and \( z \) components of the force separated by commas using three significant figures.

**Input Field:** 
\[
(F_R)_x, (F_R)_y, (F_R)_z = \quad \text{N}
\]

### Part B: Equivalent Resultant Couple Moment
**Objective:** Determine the equivalent resultant couple moment about point \( O \).

**Instructions:** 
Enter the \( x \), \( y \), and \( z \) components of the moment separated by commas using three significant figures.

**Input Field:** 
\[
(M_{R,O})_x, (M_{R,O})_y, (M_{R,O})_z = \quad \text{N} \cdot \text{m}
\]

> Click “Submit” after entering your answers. You can also request the answer if needed.
Transcribed Image Text:## Educational Content on Resultant Force and Couple Moment ### Problem Statement Replace the force system by an equivalent resultant force and couple moment at point \( O \). Take \[ \mathbf{F}_3 = \{-200\mathbf{i} + 400\mathbf{j} - 250\mathbf{k}\} \text{ N}. \] [Figure 1] ### Diagram Explanation The figure illustrates a 3D coordinate system with an applied force system. It includes: - A point \( O \) located in the \( x \), \( y \), and \( z \) space. - A force \( F_1 = 300 \text{ N} \) acting upwards along the \( z \)-axis, located at a point 2 meters in the \( x \)-direction from \( O \). - A force \( F_2 = 200 \text{ N} \) acting parallel along the \( x \)-axis, located 1.5 meters below on the \( y \)-axis from \( O \). - A force \( F_3 = \{-200\mathbf{i} + 400\mathbf{j} - 250\mathbf{k}\} \text{ N} \), depicted by a vector in the negative \( x \)-direction, positive \( y \)-direction, and negative \( z \)-direction. ### Part A: Resultant Force **Objective:** Determine the resultant force. **Instructions:** Enter the \( x \), \( y \), and \( z \) components of the force separated by commas using three significant figures. **Input Field:** \[ (F_R)_x, (F_R)_y, (F_R)_z = \quad \text{N} \] ### Part B: Equivalent Resultant Couple Moment **Objective:** Determine the equivalent resultant couple moment about point \( O \). **Instructions:** Enter the \( x \), \( y \), and \( z \) components of the moment separated by commas using three significant figures. **Input Field:** \[ (M_{R,O})_x, (M_{R,O})_y, (M_{R,O})_z = \quad \text{N} \cdot \text{m} \] > Click “Submit” after entering your answers. You can also request the answer if needed.
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