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Question
A rectangular box is kept over a table with different faces touching the table. In different cases, the block exerts
A rectangular box is kept over a table with different faces touching the table. In different cases, the block exerts
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Solution
The correct option is D same thrust and different pressure
Answer is B.
In all the cases the block exerts the same force on the ground. But the force in position when the rectangular block rests along its length, it is spread over a large area, so the force on each square meter is reduced. The pressure under this position is less than that under position when the rectangular block rests along its breadth.
From, this we infer that when the area is very much smaller, the pressure is very much greater and vice-versa.
Hence, in this case, the block exerts same thrust or force on all the sides and different pressures on the length and breadth sides.
Answer is B.
In all the cases the block exerts the same force on the ground. But the force in position when the rectangular block rests along its length, it is spread over a large area, so the force on each square meter is reduced. The pressure under this position is less than that under position when the rectangular block rests along its breadth.
From, this we infer that when the area is very much smaller, the pressure is very much greater and vice-versa.
Hence, in this case, the block exerts same thrust or force on all the sides and different pressures on the length and breadth sides.
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