Home Physics Fluid Mechanics JEE Main 2019 A cubical block side 0.5 m floats on water f…
Physics Fluid Mechanics JEE Main 2019 MCQ (Single Correct)

A cubical block side 0.5 m floats on water floats on water with 30% of its volume under water. What is the maximum weight that can be put on the block without fully submerging it under water? [Take density of water = 10³kg/m³]

A
46.3 kg
B
87.5 kg
C
65.4 kg
D
30.1 kg

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Text Solution

Verified by Experts
The correct answer is:
B

JEE Main 2019

When a body floats then the weight of the body = up thrust

… (i)

Let mass should be placed, then

… (ii)

Subtracting equation (i) from equation (ii), we get

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