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The acceleration due to gravity at the c...

The acceleration due to gravity at the centre of earth is

A

`9.8 ms^(-2)`

B

`4.9 ms^(-2)`

C

zero

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
We know that, `g_(d)= g (1- (d)/(R ))`
At the centre of earth, d= R
`therefore g_("centre")= g (1- (d)/(R ))= 0`
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