A stockroom worker pushes a box with mass 10.8 kg on a horizontal surface with a constant speed of 3.50 m/s. The coefficients of kinetic and static friction between the box and the surface are 0.220 and 0.530, respectively. For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Delivering the goods. Part A What horizontal force must the worker apply to maintain the motion of the box? Express your answer in newtons. Assume that + direction coincides with the direction of velocity. ▸ View Available Hint(s) F₂ = 23.3 N Submit ✓ Correct Part B Previous Answers If the worker stops pushing, what will be the acceleration of the box? Express your answer in meters per second squared. Assume that + direction coincides with the direction of velocity. ▾ View Available Hint(s) ▼ Hint 1. How to approach the problem In Part A, you would have found an expression for the motion of the box in the horizontal direction using Newton's second law. In that expression, let the force applied by the worker equal zero and assume the box is accelerating. You should then be able to obtain an expression for the acceleration of the box. Be sure to consider the direction of the forces. IVE ΑΣΦ a₂ = 23.3 ? m/s²
A stockroom worker pushes a box with mass 10.8 kg on a horizontal surface with a constant speed of 3.50 m/s. The coefficients of kinetic and static friction between the box and the surface are 0.220 and 0.530, respectively. For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Delivering the goods. Part A What horizontal force must the worker apply to maintain the motion of the box? Express your answer in newtons. Assume that + direction coincides with the direction of velocity. ▸ View Available Hint(s) F₂ = 23.3 N Submit ✓ Correct Part B Previous Answers If the worker stops pushing, what will be the acceleration of the box? Express your answer in meters per second squared. Assume that + direction coincides with the direction of velocity. ▾ View Available Hint(s) ▼ Hint 1. How to approach the problem In Part A, you would have found an expression for the motion of the box in the horizontal direction using Newton's second law. In that expression, let the force applied by the worker equal zero and assume the box is accelerating. You should then be able to obtain an expression for the acceleration of the box. Be sure to consider the direction of the forces. IVE ΑΣΦ a₂ = 23.3 ? m/s²
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)...
Related questions
Question
![A stockroom worker pushes a box with mass 10.8
kg on a horizontal surface with a constant speed of
3.50 m/s. The coefficients of kinetic and static
friction between the box and the surface are 0.220
and 0.530, respectively.
For general problem-solving tips and strategies for
this topic, you may want to view a Video Tutor
Solution of Delivering the goods.
Part A
What horizontal force must the worker apply to maintain the motion of the box?
Express your answer in newtons. Assume that + direction coincides with the direction of velocity.
► View Available Hint(s)
F₂ = 23.3 N
Submit
Previous Answers
✓ Correct
Part B
If the worker stops pushing, what will be the acceleration of the box?
Express your answer in meters per second squared. Assume that +z direction coincides with the
direction of velocity.
▾ View Available Hint(s)
Hint 1. How to approach the problem
In Part A, you would have found an expression for the motion of the box in the horizontal direction
using Newton's second law. In that expression, let the force applied by the worker equal zero and
assume the box is accelerating. You should then be able to obtain an expression for the acceleration of
the box. Be sure to consider the direction of the forces.
[-] ΑΣΦ
a = 23.3
?
m/s²](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fedbd0a5d-0e43-41b1-a3de-4c5dcfca7a91%2Ff734090d-328f-481c-880e-e22b09f5bbf4%2Fikmb8w_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A stockroom worker pushes a box with mass 10.8
kg on a horizontal surface with a constant speed of
3.50 m/s. The coefficients of kinetic and static
friction between the box and the surface are 0.220
and 0.530, respectively.
For general problem-solving tips and strategies for
this topic, you may want to view a Video Tutor
Solution of Delivering the goods.
Part A
What horizontal force must the worker apply to maintain the motion of the box?
Express your answer in newtons. Assume that + direction coincides with the direction of velocity.
► View Available Hint(s)
F₂ = 23.3 N
Submit
Previous Answers
✓ Correct
Part B
If the worker stops pushing, what will be the acceleration of the box?
Express your answer in meters per second squared. Assume that +z direction coincides with the
direction of velocity.
▾ View Available Hint(s)
Hint 1. How to approach the problem
In Part A, you would have found an expression for the motion of the box in the horizontal direction
using Newton's second law. In that expression, let the force applied by the worker equal zero and
assume the box is accelerating. You should then be able to obtain an expression for the acceleration of
the box. Be sure to consider the direction of the forces.
[-] ΑΣΦ
a = 23.3
?
m/s²
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Recommended textbooks for you
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON