does friction present during pure rolling??.....because as the bottom most point is in relatively at rest so we can say no friction....
but friction is generally required for the object to roll to give torque by which it has omega....
does the friction only acts initially?????and do it act throughout the whole motion....
SO...WHAT'S THE CONCEPT HERE....
help..if you know..
(no useless comments plzz)
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Answer:
Explanation:
In rolling without slipping, friction can exist, but it does not do any work. Therefore, it would not do any work, and it would not cause any energy to be lost. However, friction is required to induce any changes in the angular velocity of the object.
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