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    Block sliding on a sphere

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    A small block slides from rest from the top of a frictionless sphere of radius R. How far below the top of the sphere does the block lose contact with the sphere? The sphere does not move. Gravity is acting on the block.

    © BrainMass Inc. brainmass.com March 4, 2021, 5:39 pm ad1c9bdddf
    https://brainmass.com/physics/gravity/block-sliding-sphere-4845

    Solution Preview

    Weight of the small block= mg
    At the position shown in the diagram
    Centripetal force= mg Sin phi - N where N is the normal reaction from the sphere
    At the point where the sphere loses contact with the block N is equal to ...

    Solution Summary

    The solution calculates how far below the top of the sphere does the block lose contact with the sphere in the case of a small block sliding from rest from the top of a frictionless sphere.

    $2.19

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