Concept explainers
(a)
Force exerted by Hon the surfboard.
(a)
Explanation of Solution
Given:
Weight of the surfboard is
P lifts one end with a force,
Formula used:
Since the board has no acceleration,
Calculation:
H exerted force must be 86 N
A required diagram is shown above, where
From the above equation,
So,
Conclusion:
H must exert a force of
(b)
The distance of lifting point of H from the lifting point of P.
(b)
Answer to Problem 98A
2.02 m
Explanation of Solution
Given:
Weight of the surfboard is
P lifts one end with a force,
Length of the board is
Calculation:
The torque due to
Torque due to weight is
Here,
Since the board is not rotating, the sum of moments about P is zero
So,
Where,
So,
Conclusion:
The lifting point by H has a distance of
Chapter 8 Solutions
Glencoe Physics: Principles and Problems, Student Edition
Additional Science Textbook Solutions
University Physics Volume 1
University Physics Volume 2
Essential University Physics: Volume 2 (3rd Edition)
Sears And Zemansky's University Physics With Modern Physics
Physics: Principles with Applications
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