Va
a -->
/\
Vb^ / \
| / \
|/ \
b d
\ /|
\ / |
\ / v Vd
\/
<-- c
Vc
In the previous question, we learned that the perfect speed |Vp| required so that the 4 bodies rotate in a circle that inscribes the square, is determined by the equation: oo
W = § F dr
R
I compute how much work is needed to move the 4 bodies to oo, and then say that in absence of this external force, then to reach oo, a body needs enough KE to compensate for the work performed against gravity. So, set KE = W (and I believe that this is another way of expressing the KE/PE formulations given in some posts).If you are experiencing a similar issue, please ask a related question
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