Anonymous answered this 221 answers a. area of wheel = pi*R² area of 6 cutouts = 6*pi*(R/5)² = 0.24*pi*R² So, percentage reduction of weight = (0.24)*100% = 24% b. 18.24% (using negative mass for cutouts and parallel axis theorem) c. 27.95% (using negative mass for cutouts and parallel axis theorem)

Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Chapter5: Turning
Section5.5: Taper Turning
Problem 5RQ: What are the corresponding centerline and included angles to 5/8" TPF?
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this is what I got for a. is this not correct?

Anonymous answered this
221 answers
a. area of wheel = pi*R²
area of 6 cutouts = 6*pi*(R/5)² = 0.24*pi*R²
So, percentage reduction of weight = (0.24)*100% = 24%
b. 18.24% (using negative mass for cutouts and parallel axis theorem)
c. 27.95% (using negative mass for cutouts and parallel axis theorem)
Transcribed Image Text:Anonymous answered this 221 answers a. area of wheel = pi*R² area of 6 cutouts = 6*pi*(R/5)² = 0.24*pi*R² So, percentage reduction of weight = (0.24)*100% = 24% b. 18.24% (using negative mass for cutouts and parallel axis theorem) c. 27.95% (using negative mass for cutouts and parallel axis theorem)
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