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Message No. 10894, Started by sluggishh on 03/27/03
Pls help me with this:
A constant velocity mass moves in a straight line and bumps into a stationary rod fixed at the lower end(upper end free). This rod then deflects. My qn is: HOw do I find the force that the rod experiences due to the collision? And its deflection?

The objective is to find a particular diameter for the rod such that deflection is minimal/negligible.

Thanks a million!
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Follow-up Messages (17)
Yes acroduster I agree. I did point out in the last paragraph of my first ...
No. 11146, Posted by neil moran on 05/06/03, 01:16 PST.
One thing you guys haven't considered is that you are chasing your tail whe...
No. 11143, Posted by acroduster on 05/05/03, 06:31 PST.
Yes, the rod will experience permenent deformation if its stress reaches or...
No. 10923, Posted by neil moran on 03/31/03, 08:43 PST.
Try thinking of this as a "classic" sliding block crashing into a compressi...
No. 10920, Posted by rolschwarz on 03/31/03, 08:26 PST.
hihi!@ yup.. the moving object comes to a stop.. Head on collision, 1D. A...
No. 10917, Posted by sluggishh on 03/31/03, 07:41 PST.
Yes, I think a problem like this may well be done iterativly--trial and err...
No. 10912, Posted by rolschwarz on 03/31/03, 05:45 PST.
I like that approach Rolschwarz, I hadnt thought of that one. Yes, give...
No. 10911, Posted by neil moran on 03/31/03, 02:19 PST.
No, not bending moment. The equation D = W*L^3 / 3*E*I is the deflection of...
No. 10907, Posted by neil moran on 03/30/03, 07:56 PST.
Some things are still a bit unclear. Does the moving object come to a stop...
No. 10906, Posted by rolschwarz on 03/30/03, 07:35 PST.
It is not uncommon for the results of these calculations to be higher than ...
No. 10905, Posted by rolschwarz on 03/30/03, 07:16 PST.
RE: "not easy being an engineer ...." we all need to apply ourselves to ...
No. 10903, Posted by gerdb on 03/29/03, 21:08 PST.
Hello Neil, Ive got a qn: The equation D = W*L^3 / 3*E*I... Is this the ...
No. 10902, Posted by sluggishh on 03/29/03, 21:00 PST.
hi rolschwarz... Hmm..I've thought about dividing the change in momentum b...
No. 10901, Posted by sluggishh on 03/29/03, 20:11 PST.
yeah...kind of a school project. im actually an attachment student at a com...
No. 10900, Posted by sluggishh on 03/29/03, 20:04 PST.
Hi, I had a think about this problem and have come up with the following...
No. 10899, Posted by neil moran on 03/28/03, 12:37 PST.
Generally, I find it more effective to approach this type of problem from a...
No. 10897, Posted by rolschwarz on 03/28/03, 06:28 PST.
if it is a practical application, why not buy a piece of drill road, lets s...
No. 10896, Posted by gerdb on 03/28/03, 05:25 PST.
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