The kinetic energy of a rotating system looks similar to that of a

The lever arm is the perpendicular distance from the axis of rotation to a line drawn along the direction of the force

Work Kinetic-Energy Theorem: (Net Work done on object] change in kinetic energy of object

Homework 6: due after midterm week Chapter 6: Work and Energy Definition of work Work-kinetic energy theorem

Centripetal Acceleration UCM results in acceleration: ← Magnitude a=vr= since=

Chapter 5 Uniform Circular Motion Macintosh PICT image format is not supported What does it mean? How do we describe it? What can we learn about it

An Example Consider the following two cases

Announcements Lectures available on the web(short version) For over-enrollment please go to the Physics office P107 Laboratory sessions start next week Gotomywebsitewww.phys.uconn.edu/-rcote Syllabus+ homeworks lectures, etc Webassign

Announcements Homeworks posted on WedAssign You need to register($10.00 by credit card) go to ww. webassign. net and log in >)username: first letter of first name plus last name

第一节动机的一般概念 第二节动机的理论 第三节动机的种类 第四节意志行动