The supporting force exerted by a fluid on an object immersed in it is called ______.
2 answers:
Answer:
buoyant force
Explanation:
The buoyant force is the pressure that is exerted on a immersed object by the surrounding fluid.
The buoyant force acts on the surface of the solid object even if the object is immersed in the fluid partially or completely. If the object is immersed in a fluid, the net force is given by the formula:
where Patm is the atmospheric pressure at the top of the object
pgh = pressure of the part in the fluid
F(bottom) is the upward force on the object
The net force is the same as the wight of the displaced object.
The principle is known as the Archimedes principle as the buoyant force is equals the weight of the fluid displaced by the object.
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Answer:
1.23 m
Explanation:
The vertical distance covered by a free-falling object starting from rest in a time t is
where
g = 9.8 m/s^2 is the acceleration due to gravity
In this problem, we have
t = 0.50 s
So the distance covered is