A box has a weight 3.2 kg and the bottom of the box is 15x20 cm. What is the pressure the box exerts on the floor?
Answers
Answer:
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Explanation with answer
Pressure exerted by box on floor is 10 Pascals
Given
A box has a weight of 120 N
Area of bottom of the box is 12 m²
To Find
Pressure exerts on the floor
Concept Used
Pressure
It is defined as force acting per unit area
\rm \bullet \;\;\; Presure=\dfrac{Force}{Area}∙Presure=
Area
Force
Solution
Weight = Force , F = 120 N
Area , A = 12 m²
Pressure , P = ? Pa
Apply Formula .
\begin{gathered}\implies \rm Pressure=\dfrac{Force}{Area}\\\\\implies \rm P=\dfrac{F}{A}\\\\\implies \rm P=\dfrac{120}{12}\\\\\implies \rm P=10\ N/m^2\\\\\implies \rm P=10\ Pa\end{gathered}
⟹Pressure=
Area
Force
⟹P=
A
F
⟹P=
12
120
⟹P=10 N/m
2
⟹P=10 Pa
More Info
SI unit of Pressure , P is Pascal or N/m²
SI unit of Force , F is Newton or Kg-m/s²
SI unit of Area , A is m²