A solid exerts a force of 400 N. Calculate the pressure exerted by the solid on a surface if the area of contact is 200 cm2.
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Given : A solid exerts a force of 400 N.
surface area of contact is 200 cm²
To Find : the pressure exerted by the solid
Solution :
Force = 400 N
Area = 200 cm² = 200 / 10⁴ m²
Pressure = Force / Area
= 400 / (200 * 10⁴ )
= 2 * 10⁴
= 20000 Pascal or N/m²
= 20 kPascal or 20 kN/m²
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