Pressure and Depth
3 marks · EasyA storage tank contains orange juice to a depth of 1.5 m. The density of orange juice is 1050 kg/m³. Take g = 10 N/kg.
(a)[1 mark]
State the equation for the pressure difference between the surface and the bottom of the tank.
(b)[2 marks]
Calculate the pressure difference between the surface and the bottom.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
(a) p = h × ρ × g
(b) 15,750 Pa
Common mistakes: Wrong substitution; Omitting units
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Correct equation stated: p = h × ρ × g
M1 (b) · 1 mark · Values substituted correctly into formula
A1 (b) · 1 mark · Final answer correct and unit given: 15,750 Pa
Worked solution
a) p = h × ρ × g