Two blocks of masses 10 kg and 30 kg are placed along a vertical line. If the first block is raised through a height of 7 cm, by what distance should the second mass be moved to raise the centre of mass by 1 cm.?

Two blocks of masses 10 kg and 30 kg are placed along a vertical line.

1.	Two blocks of masses 10 kg and 30 kg are placed along a vertical line. If the first block is raised through a height of 7 cm, by what distance should the second mass be moved to raise the centre of mass by 1 cm.?
Answer» ANSWER :1 CM DOWNWARDS