The 160-lb exerciser is beginning to execute a bicep curl. When in the position shown with his right elbow fixed, he causes the 20-lb cylinder to accelerate upward at the rate 0.30g. Neglect the effects of the mass of his lower arm and estimate the normal reaction forces at A and B. Friction is sufficient to prevent slipping. A 12" 12"- B 16" 19° 57" 20 lb
The 160-lb exerciser is beginning to execute a bicep curl. When in the position shown with his right elbow fixed, he causes the 20-lb cylinder to accelerate upward at the rate 0.30g. Neglect the effects of the mass of his lower arm and estimate the normal reaction forces at A and B. Friction is sufficient to prevent slipping. A 12" 12"- B 16" 19° 57" 20 lb
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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Question
![Part 2
* Incorrect
Calculate the normal reaction forces at A and B.
Answers:
NA
= i 76.248
NB =
i
5062.486
lb
lb](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F26f469f3-1bb4-4c71-8ad3-c4171c720471%2Fd8275c60-7a3c-4980-91c3-cd466572c66c%2Ffqlbaob_processed.png&w=3840&q=75)
Transcribed Image Text:Part 2
* Incorrect
Calculate the normal reaction forces at A and B.
Answers:
NA
= i 76.248
NB =
i
5062.486
lb
lb
![The 160-lb exerciser is beginning to execute a bicep curl. When in the position shown with his right elbow fixed, he causes the 20-lb
cylinder to accelerate upward at the rate 0.30g. Neglect the effects of the mass of his lower arm and estimate the normal reaction
forces at A and B. Friction is sufficient to prevent slipping.
B
A
<12" 12" 16"
19°
57"
20 lb](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F26f469f3-1bb4-4c71-8ad3-c4171c720471%2Fd8275c60-7a3c-4980-91c3-cd466572c66c%2F6g268wj_processed.png&w=3840&q=75)
Transcribed Image Text:The 160-lb exerciser is beginning to execute a bicep curl. When in the position shown with his right elbow fixed, he causes the 20-lb
cylinder to accelerate upward at the rate 0.30g. Neglect the effects of the mass of his lower arm and estimate the normal reaction
forces at A and B. Friction is sufficient to prevent slipping.
B
A
<12" 12" 16"
19°
57"
20 lb
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