3. Use vector components to find the magnitude and direction of a force vector needed to balance the forces of 400 N @ 145 degrees and 400 N @ 260 degrees.
3. Use vector components to find the magnitude and direction of a force vector needed to balance the forces of 400 N @ 145 degrees and 400 N @ 260 degrees.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![**Vector Components to Balance Forces**
**Problem Statement:**
1. Use vector components to find the magnitude and direction of a force vector needed to balance the forces of 400 N @ 145 degrees and 400 N @ 260 degrees.
**Approach:**
To solve this problem, we will decompose the given forces into their respective vector components, sum the components, and determine the resultant force vector that balances the system.
**Step-by-Step Solution:**
1. **Force Decomposition:**
For each force \( F \):
\[
F_x = F \cdot \cos(\theta)
\]
\[
F_y = F \cdot \sin(\theta)
\]
where \( F \) is the magnitude and \( \theta \) is the direction of the force.
2. **Calculate Components of Given Forces:**
For the force 400 N @ 145 degrees:
\[
F_{1x} = 400 \cdot \cos(145^\circ) = 400 \cdot (-0.819) \approx -327.6 \, N
\]
\[
F_{1y} = 400 \cdot \sin(145^\circ) = 400 \cdot (0.5736) \approx 229.4 \, N
\]
For the force 400 N @ 260 degrees:
\[
F_{2x} = 400 \cdot \cos(260^\circ) = 400 \cdot (-0.1736) \approx -69.44 \, N
\]
\[
F_{2y} = 400 \cdot \sin(260^\circ) = 400 \cdot (-0.9848) \approx -393.92 \, N
\]
3. **Sum of the Components:**
Sum of all \( x \)-components:
\[
\Sigma F_x = F_{1x} + F_{2x} = -327.6 \, N + (-69.44 \, N) = -397.04 \, N
\]
Sum of all \( y \)-components:
\[
\Sigma F_y = F_{1y} + F_{2y} = 229.4 \, N + (-](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F840b63eb-0f35-40d8-ad49-813cc38d2dec%2Ff4619e08-e803-4a33-94f6-92d782973779%2F50jtnee_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Vector Components to Balance Forces**
**Problem Statement:**
1. Use vector components to find the magnitude and direction of a force vector needed to balance the forces of 400 N @ 145 degrees and 400 N @ 260 degrees.
**Approach:**
To solve this problem, we will decompose the given forces into their respective vector components, sum the components, and determine the resultant force vector that balances the system.
**Step-by-Step Solution:**
1. **Force Decomposition:**
For each force \( F \):
\[
F_x = F \cdot \cos(\theta)
\]
\[
F_y = F \cdot \sin(\theta)
\]
where \( F \) is the magnitude and \( \theta \) is the direction of the force.
2. **Calculate Components of Given Forces:**
For the force 400 N @ 145 degrees:
\[
F_{1x} = 400 \cdot \cos(145^\circ) = 400 \cdot (-0.819) \approx -327.6 \, N
\]
\[
F_{1y} = 400 \cdot \sin(145^\circ) = 400 \cdot (0.5736) \approx 229.4 \, N
\]
For the force 400 N @ 260 degrees:
\[
F_{2x} = 400 \cdot \cos(260^\circ) = 400 \cdot (-0.1736) \approx -69.44 \, N
\]
\[
F_{2y} = 400 \cdot \sin(260^\circ) = 400 \cdot (-0.9848) \approx -393.92 \, N
\]
3. **Sum of the Components:**
Sum of all \( x \)-components:
\[
\Sigma F_x = F_{1x} + F_{2x} = -327.6 \, N + (-69.44 \, N) = -397.04 \, N
\]
Sum of all \( y \)-components:
\[
\Sigma F_y = F_{1y} + F_{2y} = 229.4 \, N + (-
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