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sphere on a concave surface

In Science - Posted on Dec 06, 2018 17:55 - From: physicsforums.com

sphere on a concave surface

1. The problem statement, all variables and given/known data
View attachment 235314

A massive sphere of radius α is making small oscillations as indicated in the figure on the side (assume α ≤ R). Show that if it oscillates around θ ≅ 0 then:...

sphere on a concave surface

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