Pressure in nature and communicating vessels
Answers are for parents and teachers.
1
An 800 N animal stands on feet with a contact area of 400 cm². What is the pressure in N/cm²?
2
2
What is the water pressure at 6 m depth in Pa? (ρ = 1000 kg/m³, g ≈ 10 N/kg)
60000
3
If the water column is 12 cm, how tall is an oil column of density 800 kg/m³?
15
4
Find three examples of communicating vessels at home and explain.
For example a teapot and spout, a water-level hose, a water system with a tower.
5
Why must a diver rise slowly from depth?
If pressure drops quickly, gas bubbles can form in the blood, causing decompression sickness.