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Two blocks of msses 10 kg and 30 kg are ...

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

A

`1 cm up`

B

`1 cm down`

C

`2 cm down`

D

`2 cm up`

Text Solution

Verified by Experts

The correct Answer is:
B
`Deltay_(cm)=(m_(1)Deltay_(1)+m_(2)Deltay_(2))/(m_(1)+m_(2))`
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