If the area of your head top is 225cm² & weight of air column above it is 2250N, calculate the pressure on your head in Sl unit.
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Explanation:
Given, Area of head=15cm×15cm
=>15/100meters×15/100meters
=>225/10⁴ =225×10⁻⁴
1 atm=10⁵ Pascals
We know pressure formulae,
Pressure=Force/ Area
10⁵ pa=F/225×10⁻⁴ m square
F= 10⁵Pa ×225×10⁻⁴ m square
10⁵N/ m²×225×10⁻⁴ m²
m² in numerator and the denominator will be cancelled.
=>225×10 N
F=2250 N
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