(3) The 12-lb lever OA with 10-in. radius of gyration about point O is initially at rest in the vertical position (0 = 90°), where the attached spring of stiffness k= 3 lb/in is unstretched. Calculate the constant moment M applied to the lever at O which will give the lever an angular velocity o = 4 rad/sec as the lever rotates to the horizontal position at 0 = 0. k = 3 lb/in. ww 15" 15"
(3) The 12-lb lever OA with 10-in. radius of gyration about point O is initially at rest in the vertical position (0 = 90°), where the attached spring of stiffness k= 3 lb/in is unstretched. Calculate the constant moment M applied to the lever at O which will give the lever an angular velocity o = 4 rad/sec as the lever rotates to the horizontal position at 0 = 0. k = 3 lb/in. ww 15" 15"
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Transcribed Image Text:(3) The 12-lb lever OA with 10-in. radius of
gyration about point O is initially at rest in
the vertical position (0 = 90°), where the
attached spring of stiffness k= 3 lb/in is
unstretched. Calculate the constant moment
M applied to the lever at O which will give
the lever an angular velocity o = 4 rad/sec
as the lever rotates to the horizontal position
at 0 = 0.
k = 3 lb/in.
ww
15"
15"
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