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The pendulum-peg problem (part I)

Consider the following experiment

A ball of mass m is attached to a string of length L, and is pulled so that the ball is an initial height D from the lowest point in its swing. A rod is clamped at a height h above the lowest point so that when the pendulum swings down, the string wraps around the rod, and the ball swings around in a circle of smaller radius.

Your challenge:

Determine the smallest height D from which the ball can be released in order that it complete the small circle without the string going slack. Sorry, we could not find this page | RIT CIS - Center for Imaging Science

Sorry, we could not find this page

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Last Modified: 2:01pm 10 Aug 11