• # question_answer  A hole is drilled through the earth along the diameter and a stone is dropped into it. When the stone is at the centre of earth, it possesses A)  weight             B)  mass  C)  acceleration        D)         potential energy

At the centre of earth, weight is zero as g = 0 at center of earth. Weight = mg = 0 and Potential energy = mgh But mass $\ne 0$ as mass is the quantity of matter.