A 3kg object is being rotated by a string in a vertical circular motion of radius 1.6m. (a) If a constant speed of 5m/s is maintained for the entire cycle, what centripetal force is necessary? (b) What speed is necessary for the object to barely pass the top of the circle but still be in circular motion (i.e, critical speed)?

A 3kg object is being rotated by a string in a vertical circular motion of radius 1.6m. (a) If a constant speed of 5m/s is maintained for the entire cycle, what centripetal force is necessary? (b) What speed is necessary for the object to barely pass the top of the circle but still be in circular motion (i.e, critical speed)?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: More Applications Of Newton’s Laws

Section: Chapter Questions

Problem 4OQ: An office door is given a sharp push and swings open against a pneumatic device that slows the door...

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