A barge can be thought of as a 40.0 m x 10.0 m x 3.00 m rectangular box. 25% of the barge’s volume is submerged before 1,400 kg pickup trucks are added to the barge. If too many trucks are added, the barge will sink to the bottom of the 60.0 m deep river. The density of the river water is 1,030 kg/m3.
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.
- A barge can be thought of as a 40.0 m x 10.0 m x 3.00 m rectangular box. 25% of the barge’s volume is submerged before 1,400 kg pickup trucks are added to the barge. If too many trucks are added, the barge will sink to the bottom of the 60.0 m deep river. The density of the river water is 1,030 kg/m3.
a. Find the mass of the barge.
b. Find the number of trucks that can be added before the barge is fully submerged.
c. Find the pressure on the top of the barge if it has sunk to the bottom of the river.
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