A circular cylinder of mass m and radius r is connected by a spring of stiffness k and a damper of damping constant c as shown in Figure 1. If it is free to roll on the rough horizontal surface without slipping, the rotary inertia of the cylinder is

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A circular cylinder of mass m and radius r is
connected by a spring of stiffness k and a damper of
damping constant c as shown in Figure 1. If it is free
to roll on the rough horizontal surface without
slipping, the rotary inertia of the cylinder is
J, =-mr, and the rotational angle is 6.
(1) Draw the free body diagram for the cylinder.
(2) Derive the equation of motion of the system
using Newton's 2nd law.
(3) Determine the undamped natural frequency of the system.
Will the damped period be doubled when the damping constant is doubled? Explain why.
Figure 1
Transcribed Image Text:A circular cylinder of mass m and radius r is connected by a spring of stiffness k and a damper of damping constant c as shown in Figure 1. If it is free to roll on the rough horizontal surface without slipping, the rotary inertia of the cylinder is J, =-mr, and the rotational angle is 6. (1) Draw the free body diagram for the cylinder. (2) Derive the equation of motion of the system using Newton's 2nd law. (3) Determine the undamped natural frequency of the system. Will the damped period be doubled when the damping constant is doubled? Explain why. Figure 1
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