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Question
A rectangular iron block is kept over a table with different faces touching the table. In different cases, the block exerts :
A rectangular iron block 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 B Same thrust and different pressure
The force applied on a surface in a direction perpendicular or normal to the surface is called thrust. It will remain same for all the positions of the block.
A rectangular block has 6 sides with 4 larger sides and 2 smaller sides as their length is longer than the breadth.
We know that, the same force acting on a smaller area exerts a larger pressure, and a smaller pressure on a larger area. Therefore, when the iron block lies along the length side, the pressure exerted is less and when the block lies along the breadth side, the pressure exerted is more. In all the cases, the force remains the same.
Hence, A rectangular iron block is kept over a table with different faces touching the table. In different cases, the block exerts same thrust and different pressures.
The force applied on a surface in a direction perpendicular or normal to the surface is called thrust. It will remain same for all the positions of the block.
A rectangular block has 6 sides with 4 larger sides and 2 smaller sides as their length is longer than the breadth.
We know that, the same force acting on a smaller area exerts a larger pressure, and a smaller pressure on a larger area. Therefore, when the iron block lies along the length side, the pressure exerted is less and when the block lies along the breadth side, the pressure exerted is more. In all the cases, the force remains the same.
Hence, A rectangular iron block is kept over a table with different faces touching the table. In different cases, the block exerts same thrust and different pressures.
We know that, the same force acting on a smaller area exerts a larger pressure, and a smaller pressure on a larger area. Therefore, when the iron block lies along the length side, the pressure exerted is less and when the block lies along the breadth side, the pressure exerted is more. In all the cases, the force remains the same.
Hence, A rectangular iron block is kept over a table with different faces touching the table. In different cases, the block exerts same thrust and different pressures.
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