Engineering Mechanics - DynamicsChapter 19b()ωR=vBaCB=ARar+CBa−r=HcWg⎛⎝⎞⎠vBaWg⎛⎝⎞⎠kB2A+=Hc8.39 slugft2s⋅=Problem 19-5The fan blade has mass mband a moment of inertia I0about an axispassing through its center O. If it is subjected to moment M= A(1 − ebt)determine its angular velocity when t = t1starting from rest.Given:mb2kg=A3Nm⋅=t14s=IO0.18 kg m2⋅=b0.2−s1−=Solution:00t1tA1ebt−⌠⎮⌡d+IO1=11IO0t1tA1e−⌠⎮⌡d=120.8rads=Problem 19-6The wheel of massmwhas a radius of gyration kA. If the wheel is subjected to a moment M= bt,determine its angular velocity at time
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.