Question
A STONE WEIGHS 9N AT A PLACE ON THE SURFACE OF EARTH HAVING LATITUDE π/2 . ITS MASS AT CENTRE OF EARTH WILL BE (kg)
1) 10/ 37√2
2 ) 10√2
3) 5
4) 15
Joshi sir comment
π/2 means it is pole so mg = 9 implies that m = 9/9.8
same will be the mass at centre of earth