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Calculus-based physics-Please help solve this problem!

 
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pnwokolo



Joined: 11 Mar 2010
Posts: 11
Location: Toledo,OH

PostPosted: Sun Mar 28, 2010 5:54 am    Post subject: Calculus-based physics-Please help solve this problem! Reply with quote

Site Admin,
Thanks for last time. Once again, i need your help.
Question:
A rigid rod of mass m3 is povited at point A, and masses m1 and m2 are hanging from it, as
shown.
Point A
L1 m3 L2
m1
m2

(a) What is the normal force acting on the pivot point?
(b) What is the ratio of L1 to L2, where these are the distances from the pivot point to m1
and m2, respectively? Assume m2 = 2m1 and m3 = 3m1.
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hepcj
Site Admin


Joined: 23 Jun 2007
Posts: 125

PostPosted: Sun Mar 28, 2010 3:08 pm    Post subject: Reply with quote

I need the diagram to make sense of this question.
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