2. The weight of the disk is 30 lb and its radius of gyration equals 0.6 ft. The spring has a stiffness of 2 lb/ft and an unstretched length of 1 ft. Find the velocity of the center G at the instant G moves 3 ft to the left. Assume that the disk is released from rest in the position shown and rolls without slipping. k=2 lb/ft
Homework Answers
Solution
Therefore velocity of center G is 3.03 ft/s.
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2. The weight of the disk is 30 lb and its radius of gyration equals 0.6...
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k 10 lb/ft The disk weighs 40 lb and has a radius of gyration of 0.6 ft. A 15 ftlb moment is applied and the spring has a spring constant of 10 lb/ft. The wheel starts from rest and rolls without slipping. The spring is not initially stretched. Find the angular velocity of the wheel when point G moves 0.5 ft. 0.8 ft 15 lb ft
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The 40-kg wheel has a radius of gyration about its center of gravity G of k_G = 250 mm. If it rolls without slipping, determine its angular velocity when it has rotated clockwise 90 degree from the position shown. The spring AB has a stiffness k = 100 N/m and an unstretched length of 500 mm. The wheel is released from rest.
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occurs.
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