Welcome to the website of ME 274 for the Fall 2008 semester. On this site you can view blog posts, add your own blog posts and add comments to existing posts. In addition to the blog are links to course material: course information, information on solution videos, exams, quizzes, homeworks and other course-related material. Direct links to the homework solution videos are also available on the left side of this page.


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Feb 17, 2008

3/57

I'm not really sure what I'm doing wrong. I'm plugging into N - mg*cos(theta) = m(2*r_dot*theta_dot), but my answer doesn't match the book. I keep getting .77
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2 comments:

Josh said...

The problem gives you a weight of .2 lb. Make sure that you divide the weight by g(32.17ft/s^2) to get the mass.

February 17, 2008 at 6:02 PM
Joel A. Buchanan said...

Also, be sure that your r_dot value is negative.

~Joel

February 17, 2008 at 10:18 PM

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