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A 2.80 kg bucket is attached to a disk-shaped pulley of radius 0.131 m and mass 0.842 kg. If the bucket is allowed to fall, what is the resulting motion and how can it be described?

User DPD
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Final answer:

The question involves the motion of a bucket attached to a pulley that displays both rotational and translational motion when released, requiring calculations using the concepts of conservation of energy, torque, and Newton's laws.

Step-by-step explanation:

The student's question pertains to the motion of a bucket attached to a disk-shaped pulley once the bucket is allowed to fall. With a bucket mass of 2.80 kg and a pulley mass of 0.842 kg with a radius of 0.131 meters, this system exemplifies rotational motion with translational aspects when released. Assuming there is no friction and the pulley is a uniform disk, the conservation of energy and torque methods would apply here to find the angular acceleration of the pulley and the linear acceleration of the falling bucket.

As the bucket falls, it would accelerate downwards while simultaneously causing the pulley to rotate. The gravitational potential energy of the bucket will get partly converted into linear kinetic energy of the bucket and rotational kinetic energy of the pulley. To solve for the resulting motion, we must calculate the moment of inertia of the pulley and apply Newton's second law in both rotational and translational forms.

User Nicolae Dascalu
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