An ordinary workshop grindstone has a radius of 6.50 cm and rotates at 7000 rpm. (a) Calculate the magnitude of the centripetal acceleration at its edge in m/s? and convert it to multiples of g (b) What is the linear speed, in m/s, of a point on its edge? m/s

An ordinary workshop grindstone has a radius of 6.50 cm and rotates at 7000 rpm. (a) Calculate the magnitude of the centripetal acceleration at its edge in m/s? and convert it to multiples of g (b) What is the linear speed, in m/s, of a point on its edge? m/s

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter2: Motion

Section2.4: Acceleration In Uniform Circular Motion

Problem 2.6CE

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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.

Question

An ordinary workshop grindstone has a radius of 6.50 cm and rotates at 7000 rpm.
(a) Calculate the magnitude of the centripetal acceleration at its edge in m/s? and convert it to multiples of g
(b) What is the linear speed, in m/s, of a point on its edge?
m/s

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