Explain why the value of g is zero at the centre of the earth .

Which of the following statements is/are correct? If we dug a tunnel through the body of the earth and put an object into it, its will undergo simple harmonic motion, oscillating in to between two extreme surfaces of the earth The value of g is zero at the centre of the earth.Choose the correct option.

What will be the value of g at the centre of the earth ?

What is the value of 'g' at the centre of Earth ?

Increase in altitude : value of g decreases : : at the centre of the earth : _______ .

Why does a body lose weight at the centre of the earth?