Ball, Don't Fall!

Classical Mechanics Level 4

A solid spherical ball is placed carefully on the edge of a table in the position shown in the figure. The coefficient of static friction between the ball and the edge of the table is \(0.5\). It is then given a very slight push. It begins to fall off the table.

Find the angle (in degrees) turned by the ball before it slips.

Details and Assumptions

  • Find the angle with the vertical.

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