Question bank: Hydrostatics: Pressure

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Question 1:

Medium

A diving instructor is training his students in a pool that is 3 meters deep. Knowing that the atmospheric pressure is equal to 1 atm (101325 Pascal), and that the density of water is 1000 kg/m³, perform the following calculations: a) Determine the pressure exerted by the water column at the depth of 3 meters; b) Calculate the total pressure at the bottom of the pool, considering the atmospheric pressure and the pressure exerted by the water column; c) If one of the students positions herself with her back at the bottom of the pool and her area of contact with the water is 0.07 m², what is the resulting force on the student's back region due to the water pressure?

Hydrostatics: Pressure

Question 2:

Medium

A person who stands for many hours can develop the so-called 'leg pain', which is caused by the compression of the blood vessels in the legs due to the body weight. Which of the alternatives below best explains this phenomenon?

Hydrostatics: Pressure

Contextualized Question

Question 3:

Medium

Hydrostatics: Pressure

Question 4:

Easy

What is pressure in Physics?

Hydrostatics: Pressure

Question 5:

Medium

During an experiment in the Physics laboratory, a student observes a hydraulic press being used to balance two bodies of different masses. Body A, with a mass of 50 kg, has a contact area with the fluid of 100 cm². Body B, with a mass of 200 kg, has a contact area of 400 cm². Considering that both bodies are in equilibrium and the acceleration due to gravity is 10 m/s², answer: a) What is the pressure exerted by body A on the fluid? b) What is the pressure exerted by body B on the fluid? c) What is the local atmospheric pressure, considering it is equal to the pressure in the fluid between the two bodies in equilibrium?

Hydrostatics: Pressure

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