First slide

Fluid statics

Question

A wooden block, with a coin placed on its top, floats in water as shown in fig. The distances / and i are

shown there. After some time, the coin falls into water, then

Moderate

A

/ decreases and i increases
B

/ increases and I decreases
C

both /and h increase
D

both I and i decrease

Solution

When the coin falls, the block moves up and hence / decreases by h will also decrease because the coin in water will displace water equal to its volume only.

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