hree children are riding on the edge of a merry-go-round that is a disk of mass 98 kg, radius 1.6 m, and is spinning at 19 rpm. The children have masses of 21.2 kg, 26.8 kg, and 32.6 kg.  If the child who has a mass of 26.8 moves to the center of the merry-go-round, what is the new moment of inertia in kg⋅m2?    If the child who has a mass of 26.8 kg moves to the center of the merry-go-round, what is the new magnitude of angular velocity in rpm?

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A:

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A: If   I = moment of Inertia and w = Angular speed , then Kinetic Energy ( KE ) is given by KE=12Iw2…

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Q: Joey, whose mass is 36 kg, stands at the center of a 200 kg merrygo- round that is rotating once…

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Q: Problem 10:   Three children are riding on the edge of a merry-go-round that is a disk of mass 98…

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Q: A playground merry-go-round of radius R = 1.98 m has a moment of inertia of I = 240 kg * m2 and is…

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A: The free-body diagram is shown below.

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Q: Homework Q7.

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A:

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.