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2. Determine the internal load expressed in Ib-ft 2 of a brake that requires 900 in-lb of torque to stop a shaft operating at 840 rpm in a period of 3.5 seconds. (wr2) N 308 (t) T = 900/12 = 75 ft-lb (wr2) (840) 75 = 308 (3.5) w r2 = 96.25 ft²-lb

2. Determine the internal load expressed in Ib-ft 2 of a brake that requires 900 in-lb of torque to stop a shaft operating at 840 rpm in a period of 3.5 seconds. (wr2) N 308 (t) T = 900/12 = 75 ft-lb (wr2) (840) 75 = 308 (3.5) w r2 = 96.25 ft²-lb

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Where the formula come from and plaese Ellborate the process of the derived formula used in this problem. Also include the units in the process. Thanks!

12. Determine the internal load expressed in Ib-ft 2 of a brake that requires 900 in-lb of torque to stop a shaft operating at 840 rpm in a period of 3.5 seconds. (wr2) N T = 308 (t) T = 900/12 = 75 ft-lb (wr2) (840) 75 = 308 (3.5) w r2 = 96.25 ft²-lb
Transcribed Image Text:12. Determine the internal load expressed in Ib-ft 2 of a brake that requires 900 in-lb of torque to stop a shaft operating at 840 rpm in a period of 3.5 seconds. (wr2) N T = 308 (t) T = 900/12 = 75 ft-lb (wr2) (840) 75 = 308 (3.5) w r2 = 96.25 ft²-lb
12. Determine the internal load expressed in Ib-ft 2 of a brake that requires 900 in-lb of torque to stop a shaft operating at 840 rpm in a period of 3.5 seconds. (wr2) N T = 308 (t) T = 900/12 = 75 ft-lb (wr2) (840) 75 = 308 (3.5) w r2 = 96.25 ft²-lb
Transcribed Image Text:12. Determine the internal load expressed in Ib-ft 2 of a brake that requires 900 in-lb of torque to stop a shaft operating at 840 rpm in a period of 3.5 seconds. (wr2) N T = 308 (t) T = 900/12 = 75 ft-lb (wr2) (840) 75 = 308 (3.5) w r2 = 96.25 ft²-lb
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