Q3. A plastic ball of volume 75.0 cm³ and density 640 kg/m³ is at rest in ethanol alcohol. The density of the ethanol alcohol is 800 kg/m³. Clearly show all work! a) Draw of proper free-body diagram of the ball. b) What is the net force (magnitude and direction) on the ball? c) What is the weight force (magnitude and direction) on the ball? d) What is the buoyant force (magnitude and direction) on the ball? e) What is the tension force (magnitude and direction) on the ball?
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.
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