AP EAMCET Engineering 22 Sep 2020 Shift 1 Paper

The acceleration due to gravity on the surface of earth is given as
g′=g−ω2Recos2λ...(i)
where, λ is the angle of latitude.
At poles, λ=90∘
∴‌‌cos‌90∘=0
From Eq. (i),
g′=g
Hence, at poles, the acceleration due to gravity is maximum.