Question

A force of 10 north act of an area of 0.1 metre metre square the force is kept the same what the area is reduced to the half of which the following is true?

Answer 1

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(d) The pressure doubles.

Pressure (P) = Force (F)/Area (A)

= 10 N / 0.1 m2 = 100 N/m2

= 100 Pa

Now, according to the question,

New area, A' = A/2 and F' = F

∴ P' = F'/A' = 2F/A = 2P

= 2 ×× 100 = 200 Pa

Thus, the pressure gets doubled.

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