Advertisements
Advertisements
Question
An empty plastic bottle closed with an airtight stopper is pushed down into a bucket filled with water. As the bottle is pushed down, there is an increasing force on the bottom. This is because
Options
more volume of liquid is dispaced.
more weight of liquid is displaced.
pressure increases with depth.
all the above
Advertisements
Solution
all the above
APPEARS IN
RELATED QUESTIONS
A large He balloon of volume 1425 m3 is used to lift a payload of 400 kg. Assume that the balloon maintains constant radius as it rises. How high does it rise? [Take y0= 8000 m and `rho_"He"`= 0.18 kg m–3].
Consider the situation of the previous problem. Let the water push the left wall by a force F1 and the right wall by a force F2.
Find the pressure 200m below the surface of the ocean if pressure on the free surface of liquid is one atmosphere. (Density of seawater = 1060 kg/m3)
An air bubble of radius 0.2 mm is situated just below the water surface. Calculate the gauge pressure. Surface tension of water = 7.2 × 10−2 N/m.
At higher altitudes, atmospheric pressure is ______.
Pressure can be increased by decreasing the force.
What is thrust?
Explain the variation of the pressure exerted by liquid with respect to the following factors.
- Amount of liquid
- Depth
- Shape and size of the container
The pressure in mines is ______ than the sea level.
Define thrust.
