Rock on a String#

A child ties a 0.25 kg rock to the end of a string and whirls it at a constant speed in a horizontal circle of radius 50 cm.

Part 1#

What, approximately, is the maximum speed at which the rock may be whirled if the string will break when the tension exceeds 200 N?

Answer Section#

  • 20.0 m/s

  • 10.0 m/s

  • 24.1 m/s

  • 0.0 m/s

  • 40.0 m/s


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The Creative Commons 4.0 license requiring attribution-BY, non-commercial-NC, and share-alike-SA license.