Momentum and CollisionHard
Question
A block of wood is floating in water in a closed vessel as shown in the figure. The vessel is connected to an air pump. When more air is pushed into the vessel, the block of wood floats with (neglect compressibility of water) :-


Options
A.larger part in the water
B.smaller part in the water
C.same part in the water
D.at some instant it will sink
Solution
From Pascal′s law, pressure is changing at every point by the same amount. Hence, buoyancy remains the same. So, the part of the block inside water remains the same.
Create a free account to view solution
View Solution FreeMore Momentum and Collision Questions
Two wires of the same material have lengths in the ratio 1 : 2 and their radii are in the ratio 1 : √2. If they ar...A constant torque of 31.4 Nm is exerted on a pivoed wheel. If the angular acceleration of the wheel is 4π rad/ sec2...The angular speed of a body changes from ω1 TO ω2 without appling of inertia. the ratio of radii of gyration i...An air bubble is lying just below the surface of water. The surface tension of water is 70 × 10-3 Nm-1 and atmosphe...On a smooth board, a coin moving in negative y-direction with a speed of 3 m/s is being hit at the point (4, 6) by a str...