A raft is 4.20 m wide and 7.30 m long. When a horse is loaded onto the raft, it sinks 2.70 cm deeper into the water. (a)Calculate the volume of the water (in m3) that was displaced after the horse was loaded unto the raft. _______ m3 (b)Given that the density of water is: 998 kg/m3, calculate the weight of the water (in N) that was displaced after the horse was loaded unto the raft. ________ N (c)What name is given to the weight of the water that was displaced when the horse was loaded on the raft? -Pressure force -Torricelli's force -Buoyant force -Bernoulli's force (d)Determine the weight of the horse. __________N
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 raft is 4.20 m wide and 7.30 m long. When a horse is loaded onto the raft, it sinks 2.70 cm deeper into the water.
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