Question

Calculate size of force on rectangular surface which measures 5 cm by 10cm if the pressure exerted on this surface is 200Pa.

Answer 1

Answer on Question 57938, Physics, Mechanics, Relativity

Question:

Calculate the size of the force on a rectangular surface which measures $5\,cm$ by $10\,cm$, if the pressure exerted on this surface is $200\,Pa$.

Solution:

By the definition of the pressure we have:

$$P = \frac{F}{A},$$

here, $P$ is the pressure exerted on the rectangular surface, $F$ is the force acting on the rectangular surface, $A$ is the area of the rectangular surface.

From this formula we can calculate the force acting on the rectangular surface:

$$F = P \cdot A = 200 \frac{N}{m^2} \cdot (0.05\,m \cdot 0.1\,m) = 200 \frac{N}{m^2} \cdot 0.005\,m^2 = 1\,N.$$

Answer:

$$F = 1\,N.$$

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