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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Question
![**Problem Statement:**
Consider a 5.0 kg mass acted upon by a 3.0 N upward force and a 4.0 N leftward force. What is the acceleration of the mass?
**Diagram Explanation:**
The diagram features a block labeled with a mass of 5.0 kg. Two forces are acting on the block:
1. An upward force (\( F_1 \)) with a magnitude of 3.0 N.
2. A leftward force (\( F_2 \)) with a magnitude of 4.0 N.
**Solution Explanation:**
To find the acceleration of the mass, we need to analyze the forces in two perpendicular directions and use Newton’s second law of motion. The forces can be broken into their respective components:
- In the vertical direction (upward):
- Force \( F_1 = 3.0 \, \text{N} \)
- In the horizontal direction (leftward):
- Force \( F_2 = 4.0 \, \text{N} \)
**Calculating Resultant Acceleration:**
1. Calculate the resultant force in each direction.
2. Use the formula \( F = ma \) (where \( F \) is the force, \( m \) is the mass, and \( a \) is the acceleration) to calculate acceleration in each direction.
3. Use the Pythagorean theorem to determine the overall acceleration.
**Vertical Acceleration:**
\[ a_y = \frac{F_1}{m} = \frac{3.0 \, \text{N}}{5.0 \, \text{kg}} = 0.6 \, \text{m/s}^2 \]
**Horizontal Acceleration:**
\[ a_x = \frac{F_2}{m} = \frac{4.0 \, \text{N}}{5.0 \, \text{kg}} = 0.8 \, \text{m/s}^2 \]
**Resultant Acceleration:**
\[ a = \sqrt{a_x^2 + a_y^2} = \sqrt{(0.8)^2 + (0.6)^2} \]
\[ a = \sqrt{0.64 + 0.36} = \sqrt{1.0} = 1.0 \, \text{m/s}^](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc463f08e-ec7e-4810-a9a2-5563bca4d00b%2F2553ce6c-b747-4de1-bebb-d28bd285872f%2Fg19y5m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem Statement:**
Consider a 5.0 kg mass acted upon by a 3.0 N upward force and a 4.0 N leftward force. What is the acceleration of the mass?
**Diagram Explanation:**
The diagram features a block labeled with a mass of 5.0 kg. Two forces are acting on the block:
1. An upward force (\( F_1 \)) with a magnitude of 3.0 N.
2. A leftward force (\( F_2 \)) with a magnitude of 4.0 N.
**Solution Explanation:**
To find the acceleration of the mass, we need to analyze the forces in two perpendicular directions and use Newton’s second law of motion. The forces can be broken into their respective components:
- In the vertical direction (upward):
- Force \( F_1 = 3.0 \, \text{N} \)
- In the horizontal direction (leftward):
- Force \( F_2 = 4.0 \, \text{N} \)
**Calculating Resultant Acceleration:**
1. Calculate the resultant force in each direction.
2. Use the formula \( F = ma \) (where \( F \) is the force, \( m \) is the mass, and \( a \) is the acceleration) to calculate acceleration in each direction.
3. Use the Pythagorean theorem to determine the overall acceleration.
**Vertical Acceleration:**
\[ a_y = \frac{F_1}{m} = \frac{3.0 \, \text{N}}{5.0 \, \text{kg}} = 0.6 \, \text{m/s}^2 \]
**Horizontal Acceleration:**
\[ a_x = \frac{F_2}{m} = \frac{4.0 \, \text{N}}{5.0 \, \text{kg}} = 0.8 \, \text{m/s}^2 \]
**Resultant Acceleration:**
\[ a = \sqrt{a_x^2 + a_y^2} = \sqrt{(0.8)^2 + (0.6)^2} \]
\[ a = \sqrt{0.64 + 0.36} = \sqrt{1.0} = 1.0 \, \text{m/s}^
Expert Solution
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Step 1
Given,
5.0 kg mass acted upon by 3.0 N upward force and a 4.0 N leftward force.
We know that acceleration =
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Solved in 2 steps
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