Questions
A body moves along a circular path of radius 10 m and the coefficient of friction is 0.5. What should be its angular speed in rad/s if it not to slip from the surface
detailed solution
Correct option is D
For moving on circular path with the centripetal force must equal frictional force.That is,mu2r=μmg⇒mrω2=μmg[∴v=rω]⇒rω2=μg∴ω=μgr=0.5×9.810=0.7rad/s.Talk to our academic expert!
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