Solving a Tough Physics Problem: Force Exerted by a Falling Chain on a Table

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The discussion revolves around calculating the force exerted by a table on a falling chain of length L and mass M after it has fallen a distance x. The solution to the problem is identified as 3xgM/L, but participants seek clarification on how this result is derived. There are issues accessing the necessary figure for visual reference, prompting suggestions to find alternative sources. Participants emphasize the importance of sharing initial thoughts on the problem, hinting at concepts like gravity and impulse to aid understanding. The conversation highlights the need for collaborative problem-solving in physics.
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A chain of length L and total mass M is released from rest with its lower end just touching the top of a table, as in figure
(a). Find the force exerted by the table on the chain after the chain has fallen through a distance x, as in figure (b).
Assume each link comes to rest the instant it reaches the table.

figure can be found at
http://polaris.deas.harvard.edu/gali...52/151/hw5.pdf
#11

Thanks

The answer is 3xgM/L if you wonder. I want to know how that is achieved.
 
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I could not access the figure. Would you please see if you can fix that?
 
that is the link

http://polaris.deas.harvard.edu/galileo/images/material/852/151/hw5.pdf
 
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hmm, it doesn't get posted
try google: "released from rest with its lower end"
there is a pdf file that has harvard on it.
and it's #11 of that

Sorry
 
I see the image, before you get help you must show your thoughts about the problem. Say something about it.
 
a hint gravity and impulse
 
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