Concept explainers
(a)
The force when elevator moves upward at constant speed.
(a)
Answer to Problem 21PP
Explanation of Solution
Formula used:
Calculation:
At constant speed, so
Conclusion:
The elevator moves upward at constant speed with
(b)
The force when it slows down at
(b)
Answer to Problem 21PP
Explanation of Solution
Given:
Formula used:
Calculation:
Conclusion:
The force acting is
(c)
The force when it speed up at
(c)
Answer to Problem 21PP
Explanation of Solution
Given:
Formula used:
Calculation:
Conclusion:
The force acting is
(d)
The force when it move down at constant speed.
(d)
Answer to Problem 21PP
Explanation of Solution
Given:
Formula used:
Calculation:
Conclusion:
The force acting is
(e)
The direction of force as the elevator slows to stop as it is moving down.
(e)
Answer to Problem 21PP
Upwards
Explanation of Solution
If acceleration is acting on a body is upward then net force is also upward.
Conclusion:
The direction of force in in upward direction.
Chapter 4 Solutions
Glencoe Physics: Principles and Problems, Student Edition
Additional Science Textbook Solutions
Essential University Physics: Volume 2 (3rd Edition)
Physics: Principles with Applications
College Physics: A Strategic Approach (3rd Edition)
University Physics with Modern Physics (14th Edition)
Lecture- Tutorials for Introductory Astronomy
College Physics: A Strategic Approach (4th Edition)
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON