1) Consider the figure below. The inside radius is 0.25 m and the outside radius ís 0.4m. a) What for F is needed to put the disk in rotational equilibrium (assume there is an axle at the center of the disk-it can only spin if the right forces/torques are applied - it can't move sideways). b) Suppose the mass of the disk (though it has an inside/outside radius, treat it as a solid disk with the outside radius) is 8 kg, and the force F is only half of your answer in A ... calculate the angular acceleration of the disk (and which way it rotates). c) Suppose the force F were twice what your answer was in A- calculate the angular acceleration. d) in Part C, if you started the disk from rest, with that angular acceleration- calculate how much time (seconds) it would take to rotate exactly 10 times? F-? 50 N

1) Consider the figure below. The inside radius is 0.25 m and the outside radius ís 0.4m. a) What for F is needed to put the disk in rotational equilibrium (assume there is an axle at the center of the disk-it can only spin if the right forces/torques are applied - it can't move sideways). b) Suppose the mass of the disk (though it has an inside/outside radius, treat it as a solid disk with the outside radius) is 8 kg, and the force F is only half of your answer in A ... calculate the angular acceleration of the disk (and which way it rotates). c) Suppose the force F were twice what your answer was in A- calculate the angular acceleration. d) in Part C, if you started the disk from rest, with that angular acceleration- calculate how much time (seconds) it would take to rotate exactly 10 times? F-? 50 N

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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