The angular velocity of the earth with which it has to rotate so that the acceleration due to gravity on 60deg latitude becomes zero is
Asked by valavanvino1011
1st September 2018,
5:09 PM
Answered by Expert
Answer:
As shown in figure, gravitational force acting towards the centre should be just enough to provide the
centripetal force on a point on eaths surface which is at 60º latitude.
Hence, g×cos60 - ω2 ×R × cos60 = 0 or 
where R is earth's radius and it is assumed that R = 6400 km
Answered by Expert
3rd September 2018,
1:12 PM
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