Consider the beam in (Figure 1). igure 200 lb 1.5 ft -2 ft 200 lb "C 1.25 ft <1 of 1 30 30 Determine the magnitude of F so that the resultant couple moment is 450 lb-ft, counterclockwise. Express your answer in pounds to three significant figures. F = [5] ΑΣΦ Submit Provide Feedback ↓↑ Request Answer vec ? lb
Consider the beam in (Figure 1). igure 200 lb 1.5 ft -2 ft 200 lb "C 1.25 ft <1 of 1 30 30 Determine the magnitude of F so that the resultant couple moment is 450 lb-ft, counterclockwise. Express your answer in pounds to three significant figures. F = [5] ΑΣΦ Submit Provide Feedback ↓↑ Request Answer vec ? lb
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![**Problem Statement**
Consider the beam in (Figure 1).
Determine the magnitude of \( F \) so that the resultant couple moment is 450 lb·ft, counterclockwise.
Express your answer in pounds to three significant figures.
\[ F = \quad \text{lb} \]
**Diagram Explanation**
The diagram shows a horizontal beam with a series of forces acting on it and their respective distances marked. Key points in the diagram include:
1. **Beam and Forces**:
- The beam is shown horizontally.
- Two forces of 200 lb each are acting perpendicular to the beam. One force is located 2 feet from the left end, directed upwards. The other is located 1.5 feet from the right end, directed downwards.
2. **Force \( F \)**:
- Two forces, each labeled \( F \), are acting at an angle of 30 degrees to the right end of the beam.
- The point of application of \( F \) is 1.25 feet from the right end of the beam.
**Instructions for Students**
1. **Goal**: Calculate the magnitude of force \( F \) such that the resultant couple moment about the beam is 450 lb·ft acting counterclockwise.
2. **Precision**: Ensure your answer is rounded to three significant figures and expressed in pounds (lb).
3. **Submission**: Provide your calculated value in the text box and submit for evaluation.
**Provide Feedback** to your solutions by using the provided link.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F995b5b40-26b1-420f-ae4c-d7493773d7f9%2F11ff808a-1c74-4eea-a09c-8cf2de2a7aea%2Fhq8w9ki_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem Statement**
Consider the beam in (Figure 1).
Determine the magnitude of \( F \) so that the resultant couple moment is 450 lb·ft, counterclockwise.
Express your answer in pounds to three significant figures.
\[ F = \quad \text{lb} \]
**Diagram Explanation**
The diagram shows a horizontal beam with a series of forces acting on it and their respective distances marked. Key points in the diagram include:
1. **Beam and Forces**:
- The beam is shown horizontally.
- Two forces of 200 lb each are acting perpendicular to the beam. One force is located 2 feet from the left end, directed upwards. The other is located 1.5 feet from the right end, directed downwards.
2. **Force \( F \)**:
- Two forces, each labeled \( F \), are acting at an angle of 30 degrees to the right end of the beam.
- The point of application of \( F \) is 1.25 feet from the right end of the beam.
**Instructions for Students**
1. **Goal**: Calculate the magnitude of force \( F \) such that the resultant couple moment about the beam is 450 lb·ft acting counterclockwise.
2. **Precision**: Ensure your answer is rounded to three significant figures and expressed in pounds (lb).
3. **Submission**: Provide your calculated value in the text box and submit for evaluation.
**Provide Feedback** to your solutions by using the provided link.
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