Why does the weight of a body of a finite mass m is zero at the centre of the Earth?
Why does the weight of a body of a finite mass m is zero at the centre of the Earth?
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Acceleration at depth d due to gravity is given by,
gd = g\((1-\frac{d}{R})\)
As, at centre of the Earth d = R ⇒ gd = 0.
Hence, the weight of a body of a finite mass m is zero at the centre of the Earth.
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