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:

Easy

What is pressure in Physics?

Hydrostatics: Pressure

Question 4:

Very Hard

A diver is at a depth of 20 meters in a lake. Considering the acceleration of gravity as 10 m/s² and the density of the lake water as 1000 kg/m³, calculate the absolute pressure that the water exerts on the diver's body. Consider the atmospheric pressure as 1.01 x 10^5 Pa. Disregard the variation of water density with depth. Use the formula for hydrostatic pressure P = P0 + pgh, where P is the absolute pressure, P0 is the atmospheric pressure, p is the liquid density, g is the acceleration of gravity, and h is the depth.

Hydrostatics: Pressure

Contextualized Question

Calculus Question

Question 5:

Easy

Atmospheric pressure is considered one of the main factors that influence our climate. Atmospheric pressure can vary according to temperature, altitude, and geographical location. What are the two factors that directly influence atmospheric pressure?

Hydrostatics: Pressure

Contextualized Question

IARA TIP

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