Solve for the following. Show all the solutions. 1. Calculate the pressure under a girl's feet if her mass is 50 kg and the area of her shoes in contact with the ground is (a) 2.00 cm (high heels), (b) 200 cm (flat soles).
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
![FLUID MECHANICS
Solve for the following. Show all the solutions.
1. Calculate the pressure under a girl's feet if her mass is 50 kg and the area of her
shoes in contact with the ground is (a) 2.00 cm (high heels). (b) 200 cm (flat
soles).
2. A rectangular block with a base area of 25 cm2 is submerged in water of density
1000kg/m3
a. Find the
(1i) pressure p., due to the water acting on the top surface of the block
(i) Pressure p., due to the water acting on the bottom surface of the block.
b. Calculate the
(i) force exerted by the water on the top surface of the block,
(i) Force exerted by the water on the bottom surface of the block.
3. A 15 N force is exerted on the small piston area 0.025 m. The large piston has
an area of 0.50 m.
a. Calculate
(1) pressure exerted on the liquid by the small piston
(ii) pressure exerted on the large piston
(iii) force exerted by the large piston on the load
b. What is the distance moved by the small piston if the distance moved by the
large piston is 0.15 m, ignoring the effects of friction in the system?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6c2bfd2a-b69c-42c5-8aa9-0ebac8faae09%2Ffc3775d4-4c4d-4a96-8b3a-152c4d75df92%2Fts4p37_processed.jpeg&w=3840&q=75)
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