A small block with mass $m$ slides without friction on the inside of a vertical circular track that has radius $R .$ What minimum speed must the block have at the bottom of its path if it is not to fall off the track at the top of its path?
Added by Becky H.
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The minimum speed required at the bottom of the path can be found by equating the centripetal force at the top with the gravitational force at the bottom. Show more…
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A small block with mass m slides without friction on the inside of a vertical circular track that has radius R. What minimum speed must the block have at the bottom of its path if it is not to fall off the track at the top of its path? Express your answer in terms of some or all of the variables m, R, and acceleration due to gravity g.
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