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Jul 18, 2021 at 10:01 comment added John Hunter Final comment, as we have been through this on the other posts: Eqn 6 is valid for the vertical forces if your $W_n$ stand s for the weight of the n blocks between the $F_s$. esdoublef's answer is ok too, and he/she starts to consider the horizontal components.
Jul 18, 2021 at 7:02 comment added Kenji Chng Does this mean that equation 6 is valid despite the answer proposed by esdoublef?<physics.stackexchange.com/a/629343/307029>
Jul 17, 2021 at 8:47 comment added John Hunter There is a lot of detail on this kind of thing in the other questions you mentioned, however your equation 6 seems valid for many tiles and gives the limiting coefficient of friction, i.e. if $\mu$ is less than this value, the structure would collapse.
Jul 17, 2021 at 8:35 history edited Kenji Chng CC BY-SA 4.0
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Jul 17, 2021 at 8:30 history asked Kenji Chng CC BY-SA 4.0