Exam 3 – Q11.pngThree solid spheres are attached to a light,…
Exam 3 – Q11.pngThree solid spheres are attached to a light, rigid horizontal rod. The rod has a negligible mass. Sphere 1 has a mass of m1 = 0.40 kg, sphere 2 a mass of m2 = 0.25 kg, and sphere 3 a mass of m3 = 0.60 kg. The radius of each sphere is r = 0.030 m. The centers of the spheres are located along the x-axis, with sphere 1 at x = 0.00 m, sphere 2 at x = 0.30 m, and sphere 3 at x = 0.75 m. The system rotates about an axis through the center of sphere 3. Use I s p h e r e = 2 5 m r 2 . a. Determine the moment of inertia of sphere 1 about the axis. b. Determine the moment of inertia of sphere 2 about the axis. c. Determine the total moment of inertia of the system. d. If a torque of 0.15 Nm is applied, determine the angular acceleration.
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