{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

final_exam_practice_sols

# final_exam_practice_sols - MASSACHUSETTS INSTITUTE OF...

This preview shows pages 1–4. Sign up to view the full content.

1 MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department of Physics Physics 8.01 Fall Term 2009 Practice Problems Final Exam: Solutions Part One: Concept Questions Problem 1: A small cylinder rests on a circular turntable, rotating at a constant speed as illustrated in the diagram below. Which of the vectors 1-5 below best describes the velocity, acceleration and net force acting on the cylinder at the point indicated in the diagram? Answer: 4: (Turntables went out when Jerry Garcia did, but that’s not part of the problem.) The velocity is to the right in the figure; the acceleration and the force are inward, down in the figure. Problem 2: A hollow cylinder starts from rest and rolls without slipping down an incline. Which of the following best describes the force of friction? The magnitude of the normal force is N .

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document