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CBSE Class 9 Answered

Is the acceleration due to gravity of earth'g' always a constant?Discuss
Asked by Bachittar Singh | 14 Nov, 2013, 06:31: PM
answered-by-expert Expert Answer
No.
It depends upon : (i) height above the earth's surface.  (ii) depth below the earth's surface.  (iii) rotation of the earth  (iv) shape of the earth.
i.e. it decreases with the height above the earth's surface, it decreases with the depth below the earth's surface and it decreases with the speed of rotation.
It is zero at the centre of the earth.
Answered by Faiza Lambe | 15 Nov, 2013, 06:35: PM
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