Rotation 3 Question 21
27. A boy is pushing a ring of mass and radius with a stick as shown in the figure. The stick applies a force of on the ring and rolls it without slipping with an acceleration of . The coefficient of friction between the ground and the ring is large enough that rolling always occurs and the
coefficient of friction between the stick and the ring is
(2011)
Analytical & Descriptive Questions
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Answer:
Correct Answer: 27. 3.6
Solution:
There is no slipping between ring and ground. Hence
Solving above four equations we get,