Anusha2006
Answered

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A piece of wood 400N in weight and 50cm X 30cm X 20cm in size lies on 50cm X 20cm face. Calculate the pressure exerted by it.

Sagot :

rafaleo84

Answer:

P = 4000 [Pa]

Explanation:

Pressure is defined as the relationship between Force and the area where the body rests.

The support area is equal to:

[tex]A=50*20=1000[cm^{2} ][/tex]

But we must convert from square centimeters to square meters.

[tex]1000[cm^{2}]*\frac{1^{2}m^{2} }{100^{2}m^{2} }=0.1[m^{2} ][/tex]

And the pressure is:

[tex]P=\frac{F}{A} \\P=400/0.1\\P=4000[N/m^{2} ]or 4000[Pa][/tex]

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