Answered: A 3-kg rock, attached to a 2-m cord,…

A 3-kg rock, attached to a 2-m cord, swings in a horizontal circle so that it makes one revolution in 0.3 s. What is the centripetal force on the rock? Is there an outward force on the rock?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter6: Uniform Circular Motion And Gravitation

Section: Chapter Questions

Problem 24PE: Calculate the centripetal force on the end of a 100 m (radius) wind turbine blade that is rotating...

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

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can you help me with steps to get the answer below

10.9. A 3-kg rock, attached to a 2-m cord, swings in a
horizontal circle so that it makes one revolution
in 0.3 s. What is the centripetal force on the rock?
Is there an outward force on the rock?
Ans. 2630 N, no

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