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Particle constrained to move on a hemisphere
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[QUOTE="Orodruin, post: 4969820, member: 510075"] The separate terms in your final expression look reasonable. However, the constraints require that ##\ddot r = 0##. What is left is centripetal force required to keep the particle on the hemisphere and the force required to cancel the radial component of the gravitational force. I have not checked the signs, but it feels like the gravitational term should have the opposite sign (depending on what you mean by "inverted hemisphere"). [/QUOTE]
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Particle constrained to move on a hemisphere
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