A body weighs 10 kg on the surface of earth. What would be its mass and weight at the centre of earth ?

Answer

`10 kg, zero`

Explanation

From `w=mg`
`m=W/g=(10xx9.8N)/(9.8m//s^(2))=10kg`
at the centre of earth mass is same, i.e., `10kg`
but` g=0`.therefo re, `w=mg=`zero.