Question

The surface area of the base of a brick X is 100 cm2 . The surface area of the base of the brick Y is 250 cm2 . Each brick weighs 100 N. Which of the following is correct if  are the pressures exerted by the bricks X and Y respectively ?


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Answer 1

Answer:

The surface area of the base of a brick X is 100 cm2 . The surface area of the base of the brick Y is 250 cm2 . Each brick weighs 100 N. Which of the following is correct if  are the pressures exerted by the bricks X and Y respectively ?

Explanation:

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Answer 2

Explanation:

see both exert pressure because pressure=Force/area

there is different only in magnitude

let me solve,

Brick X.

1m²=10000cm²

so 100cm²=.01m²

since,P=force/area =100/.01-10000pascal

similarly,Brick y

p=100/.25=400pascal

so brick X exert more more pressure

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