Questions
An imperfectly rough sphere moves from rest down a plane inclined at an angle to the horizontal. The coefficient of friction between the inclined plane and sphere is Then
detailed solution
Correct option is C
For pure rolling μ≥ tanα/ 1+mr2Ic For solid sphere,IC=25 mr2 ∴μ≥tanα/1+52⇒μ≥27tanα⇒μmin=27tanαTalk to our academic expert!
Similar Questions
A solid cylinder of mass 2 kg and radius 50 cm rolls up an inclined plane of angle inclination 300. The centre of mass of cylinder has speed of 4 ms-1. The distance travelled by the cylinder on the inclined surface will be
(Take, g = 10 ms-2
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