|
If the mass of the body on the surface of the earth is 50 kg, its mass at the centre of the earth is |
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(a) |
zero |
(b) |
more than 50 kg |
|
(c) |
less than 50 kg |
(d) |
equal to 50 kg |
|
If the mass of the body on the surface of the earth is 50 kg, its mass at the centre of the earth is |
|||
|
(a) |
zero |
(b) |
more than 50 kg |
|
(c) |
less than 50 kg |
(d) |
equal to 50 kg |