Many people accept that the acceleration due to gravity near the surface of the earth is constant. Even if we ignore air resistance, objects at different locations on earth may experience different accelerations. Give an example and explain why the acceleration may be more or less than the textbook value.
The simplest explanation is that different places on earth are different (no matter how small) distances from the surface of the earth. What this means is that 'r' in your calculation for the force of gravity is never the same.
It could also be credited to the fact that the earth is not a perfect sphere. So even if we are at sea level at different places on earth, the 'r' will again be different.
|dw:1327324624559:dw| CLEARLY FROM ABOVE U ACN SEE HOW VALUE OF G DIFFERES froim place to place |dw:1327324898126:dw| earthg is flatened at the poles
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