Concept explainers
a.
The IMA of the given pulley system if a force of
a.
Answer to Problem 70A
Explanation of Solution
Given:
The weight that is to be lifted,
The distance by which the weight is lifted,
The distance by which the rope is pulled by Paul,
The force exerted by the Paul,
Formula used:
The idea mechanical advantage is the ratio of the distances moved,
Where
Calculation:
Using the given values, IMA of the given pulley system can be calculated as,
Conclusion:
Thus, IMA of the given pulley system is
b.
The mechanical advantage of the given pulley system if a force of
b.
Answer to Problem 70A
Explanation of Solution
Given:
The weight that is to be lifted,
The distance by which the weight is lifted,
The distance by which the rope is pulled by Paul,
The force exerted by the Paul,
Formula used:
The mechanical advantage of a system is given by,
Where
Calculation:
Using the given values, MA of the given pulley system can be calculated as,
Conclusion:
Thus, mechanical advantage of the given pulley system is
c.
The efficiency of the given pulley system if a force of
c.
Answer to Problem 70A
Explanation of Solution
Given:
The weight that is to be lifted,
The distance by which the weight is lifted,
The distance by which the rope is pulled by Paul,
The force exerted by the Paul,
From part (a),
From part (b),
Formula used:
The efficiency of a machine is the ratio of mechanical advantage and ideal mechanical advantages,
Calculation:
Using the given values in above, the efficiency of the given pulley system can be calculated as,
Conclusion:
Thus, the efficiency of the given pulley system is
Chapter 10 Solutions
Glencoe Physics: Principles and Problems, Student Edition
Additional Science Textbook Solutions
Physics: Principles with Applications
University Physics with Modern Physics (14th Edition)
College Physics (10th Edition)
Conceptual Physics (12th Edition)
Sears And Zemansky's University Physics With Modern Physics
College Physics: A Strategic Approach (3rd 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