When the "wedge and scale" experiment is performed at the equator, we get 
. If the same experiment is performed at the poles, then what is the right equation? where 
and 
are the equatorial and polar radii of the earth.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
When we take moments of force at equilibrium, the terms of 
cancel on both sides.
The mass is independent of the gravity at that point, so mass at the poles will be same as mass at the equator.
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