A cubical box of dimensions 2 m x 2 m x 2 m and weighing 200 N is placed on a table, calculate the pressure exerted by the cube on the table?
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>>A solid cube of dimensions 50 cm × 50 cm
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A solid cube of dimensions 50 cm×50 cm and weighing 25 N placed on a table. Calculate the pressure exerted on the table.
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The magnitude of the pressure(P) exerted by an object on a given surface is equal to its weight(F) acting in the direction perpendicular to that surface divided by the total surface area of contact(A) between the object and the surface.
P=
A
F
=
a
2
F
where a is the dimension of the cube.
Given that a=50 cm=0.5 m,F=25 N
⟹P=
0.5×0.5
25
⟹P=100 Pa
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