Question

A solid weight 300N.Calculate the pressure exerted by the soil on a surface, if the area of contant is 400cm
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Answer 1

Explanation:

Force is 300N

Area is 0.04m² (area in cm is 400, length will be 20cm ie 0.2m therefore area will be 0.2²m² = 0.04m²)

pressure will be 300/0.04 Pascal =30000/4 = 7500 Pascal (pressure=force/area)

i.e 7500 pascal ANS

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Answer 2

$F = 300n \\ A= 400cm = 0.04m^2 \\ P = \frac{F}{A} \\ = \frac{300 }{0.04} \\ = 7500 pa.$

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