6/209 The nose-wheel assembly is raised by the applica- tion of a torque M to link BC through the shaft at B. The arm and wheel AO have a combined weight of 100 lb with center of mass at G, and a centroidal ra- dius of gyration of 14 in. If the angle 0 = 30°, deter- mine the torque M necessary to rotate link AO with a counterclockwise angular velocity of 10 deg/sec that is increasing at the rate of 5 deg/sec every second. Additionally, determine the total force sup- ported by the pin at A. The mass of links BC and CD may be neglected for this analysis. - 16": B 20" 32" 20" Prohlom f6/709

6/209 The nose-wheel assembly is raised by the applica- tion of a torque M to link BC through the shaft at B. The arm and wheel AO have a combined weight of 100 lb with center of mass at G, and a centroidal ra- dius of gyration of 14 in. If the angle 0 = 30°, deter- mine the torque M necessary to rotate link AO with a counterclockwise angular velocity of 10 deg/sec that is increasing at the rate of 5 deg/sec every second. Additionally, determine the total force sup- ported by the pin at A. The mass of links BC and CD may be neglected for this analysis. - 16": B 20" 32" 20" Prohlom f6/709

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.20P: Locate the instant center of rotation of bar AB for each case shown.

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Question

6/209 The nose-wheel assembly is raised by the applica-
tion of a torque M to link BC through the shaft at B.
The arm and wheel AO have a combined weight of
100 lb with center of mass at G, and a centroidal ra-
dius of gyration of 14 in. If the angle 0 = 30°, deter-
mine the torque M necessary to rotate link AO with
a counterclockwise angular velocity of 10 deg/sec
that is increasing at the rate of 5 deg/sec every
second. Additionally, determine the total force sup-
ported by the pin at A. The mass of links BC and
CD may be neglected for this analysis.
- 16"-
B
20"
C
32"
20"
Problem 6/209

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