bal of hmass 54.og and ML IS piaced in a be What i s the ne ball? wer: 20 How high in m should an intravenous bag be for a liquid to just enter the vein? Assume that the density of the fluid qual to that of water and the blood pressure is 20.mmHg? wer: 0.272 An aluminum ball of mass 54.0g and density of 2.70g/mL is placed in a beaker filled with water. What is the yant force of water on the ball? wer: 0.196 The plunger and the needle of a hypothermic syringe have areas of 0.50cm² and 0.00060cm² respectively. To inject ccine, a nurse pushes the plunger with a force of 5.5N. What pressure in Pa is transmitted to the vaccine? wer: 110000 An aluminum ball of mass 54.0g and density of 2.70g/mL is placed in a beaker filled with water. What is the volume ater that will spill out of the beaker? wer: 20 The area of contact between an injection needle and the skin is a very tiny circle with a diameter of 2.54x10-³cm. e needle exerts a force of 6.9x10-2N, what is the pressure in Pa? wer: 136173241.7

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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.