Harry sets some clay (m = 3.25 kg) on the edge of a pottery wheel (r = 0.600 m), which is initially motionless. He then begins to rotate the wheel with a uniform acceleration, reaching a final angular speed of 2.400 rev/s in 3.00 s, while not touching the clay. As a result, the clay is subject to a tangential and centripetal acceleration while it sits on the edge of the wheel. (a) What force is responsible for the tangential acceleration?
Harry sets some clay (m = 3.25 kg) on the edge of a pottery wheel (r = 0.600 m), which is initially motionless. He then begins to rotate the wheel with a uniform acceleration, reaching a final angular speed of 2.400 rev/s in 3.00 s, while not touching the clay. As a result, the clay is subject to a tangential and centripetal acceleration while it sits on the edge of the wheel. (a) What force is responsible for the tangential acceleration?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 6OQ: Consider an object on a rotating disk a distance r from its center, held in place on the disk by...
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Question
Harry sets some clay
(m = 3.25 kg)
on the edge of a pottery wheel
(r = 0.600 m),
which is initially motionless. He then begins to rotate the wheel with a uniform acceleration, reaching a final angular speed of 2.400 rev/s in 3.00 s, while not touching the clay. As a result, the clay is subject to a tangential and centripetal acceleration while it sits on the edge of the wheel.
(a) What force is responsible for the tangential acceleration?
What force is responsible for the centripetal acceleration?
(b) Which of these two forces, tangential or centripetal, will necessarily fail to keep the clay in place on the wheel first?
Why?
normal forcestatic friction tangential forcegravity
What force is responsible for the centripetal acceleration?
normal forcestatic friction tangential forcegravity
(b) Which of these two forces, tangential or centripetal, will necessarily fail to keep the clay in place on the wheel first?
tangentialcentripetal
Why?
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