The 160-lb exerciser is beginning to execute a bicep curl. When in the position shown with his right elbow fixed, he causes the 20-1 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. 19°

The 160-lb exerciser is beginning to execute a bicep curl. When in the position shown with his right elbow fixed, he causes the 20-1 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. 19°

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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Concept explainers

Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.

Question

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.
Part 1
B
12"-12". -16"
Find the tension T in the rope.
Answer: T = i
19°
57"
lb
20 lb

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