FE Review Prob Solutions

8/10/2019 FE Review Prob Solutions

1/21

Solutions to FE Exam Review Problems in Dynamics,

Accessible Online atewhighered.mcgraw-hill.com

Prepared by

Stephen F. Felszeghy

CSULA Professor Emeritus of Mechanical Engineering

Start the Web page for the book: Beer and Johnston, Vector Mechanics for Engineers, Statics and

Dynamics, Seventh Edition, 2004, at:

http://ewhighered.mcgraw-hill.com/sites/007230491x/information_center_view0/

Look for the Online Learning Center box on the left. Click on the Student Edition link. Select a

chapter from the pull-down menu. My solutions are for the online problems that are associated with the

following chapters and topics:

Chapter 11, Kinematics of Particles

Chapter 12, Kinetics of Particles, Newton's Second Law

Chapter 13, Kinetics of Particles, Energy and Momentum Methods

Chapter 14, Systems of Particles

Chapter 15, Kinematics of Rigid Bodies

Chapter 16, Plane Motion of Rigid Bodies, Forces and Accelerations

Chapter 17, Plane Motion of Rigid Bodies, Energy and Momentum Methods

Chapter 19, Mechanical Vibrations

Click on FE Exam Review.

Solve the problem, and select the answer from the multiple choices at the bottom. Click on the right-

arrow to proceed to the next problem. This process ends when you click on the right-arrow at the end of

the third problem. To continue to solve more problems related the same chapter, you will need to exit

by clicking on, say, Chapter XX at the top, and restart FE Exam Review. Now you will be

presented with new, or a mixture of old and new, problems. After repeated such trials, eventually no

more new problems will appear.

As I mentioned in class, the online answers and solutions leave a lot to be desired! Some answers are

totally wrong; one solution uses a diameter instead of a radius; one problem is missing a needed mass

value; and some solutions use the principle of conservation of energy when the correct applicableprinciple is conservation of momentum. Such an error is absolutely inexcusable!

My solutions are in no specific order. However, they are segregated by chapter number. Since the

online problems are not numbered, I include sketches in my solutions to allow you to identify the

problems to which my solutions apply.

I wish you all the best on your Oct. 29 FE Exam!


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FE Review Prob Solutions

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