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Engineering and Tech / Vector Mechanics for Engineers: Dynamics 10 / Chapter 16 / Problem 16.102

Vector Mechanics for Engineers: Dynamics | 10th Edition | ISBN: 9780073398136 | Authors: Ferdinand P. Beer

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A drum of 4-in. radius is attached to a disk of 8-in.

Chapter 16, Problem 16.102

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QUESTION:

A drum of 4-in. radius is attached to a disk of 8-in. radius. The disk and drum have a combined weight of 10 lb and a combined radius of gyration of 6 in. A cord is attached as shown and pulled with a force P of magnitude 5 lb. Knowing that the coefficients of static and kinetic friction are \(\mathrm{m}_{s}=0.25\) and \(\mathrm{m}_{k}=0.20\), respectively, determine (a) whether or not the disk slides, (b) the angular acceleration of the disk and the acceleration of G.

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QUESTION:

A drum of 4-in. radius is attached to a disk of 8-in. radius. The disk and drum have a combined weight of 10 lb and a combined radius of gyration of 6 in. A cord is attached as shown and pulled with a force P of magnitude 5 lb. Knowing that the coefficients of static and kinetic friction are \(\mathrm{m}_{s}=0.25\) and \(\mathrm{m}_{k}=0.20\), respectively, determine (a) whether or not the disk slides, (b) the angular acceleration of the disk and the acceleration of G.

ANSWER:

Step by step solution Step 1 of 6Refer to the figure below.(figure 1) Figure 1

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