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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Mar 16, 2008

Problem 6/11

I am coming close to the correct answer and think that my problem may be my FBD. I have mg, the N force, and a force F which is P*(coefficient of static friction). Am I missing something?
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1 comment:

CMK said...

You need two FBD's for this problem: one for the cabinet and one for the cart.

* For the cabinet you have weight and two normal forces in the y-direction. In the x-direction you have two friction forces.

* For the cart, you have the equal/opposite of the normal forces acting on the cabinet, weight and reactions from the floor. In the x-direction, you have the equal/opposite of the friction forces on the cabinet as well as the applied force P.

For tipping, set the normal and friction forces on the cabinet at B equal to zero.

I am not sure about your P*(coefficient of kinetic friction force).

Let me know if this is not clear.

March 17, 2008 at 1:25 PM

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