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When you press on a circular table of radius 0.5 m, with a force of 20N, what will be exerted pressure?



50pa

25pa

40N/m

10N.m





Answer and I will give you brainiliest
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Sagot :

Spectrojamzidn

Answer:

Note the word "circular".

Meaning the area would be found using that of a circle = πr²

Recall

Pressure = Force/Area

Area = π x 0.5² = 0.785m²

Pressure = 20/0.785

= 25pa ( to the nearest whole number)

SOFlAidn

Option B: 25 pa

Pressure = Force/Area

  • From the question,we have force ryt? so now let's find the area.

As the table is circular, we have to use the formula of area of circle;

= πr²

= 3.14 × 0.5 × 0.5

= 3.14 × 0.25

= 0.785 m²

Put the values of force and area in formula;

= 20/0.785

= 20000/785

= 25.45 Pa

= 25 Pa (Approx)

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