Question

This is a Dynamics question.

Answers:  w = 65.6 rad/s,

                 alpha = 205.3 rad/s2

*17-64. A cord is wrapped around the outer surface of the
8-kg disk. If a force of F = (¼0²) N, where 0 is in radians,
is applied to the cord, determine the disk's angular
acceleration when it has turned 5 revolutions. The disk has
an initial angular velocity of wo =
%3D
1 rad/s.
300mm

Image Transcription

*17-64. A cord is wrapped around the outer surface of the 8-kg disk. If a force of F = (¼0²) N, where 0 is in radians, is applied to the cord, determine the disk's angular acceleration when it has turned 5 revolutions. The disk has an initial angular velocity of wo = %3D 1 rad/s. 300mm

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