WorksheetsPressure in liquid
Total questions: 25
Worksheet time: 27mins
What is the name of the force caused by different pressures on the top and bottom of an object in a liquid? (Higher)
Downforce
Upthrust
Weight
Force
Which type of shoe is best for walking on snow?
Wide shoes with a flat sole
Narrow shows with a jagged sole
Shows with a sharp, pointed heel
Flat shoes with pointed sole
What happens to pressure in a liquid as its depth increases? (Higher)
It increases
It decreases
It remains constant
In which direction does pressure act in a liquid? (Higher)
Upwards only
Downwards only
In all direction
Diagonal
What happens to the water as one goes deeper into the ocean?
decreases
stays the same
increases
have fluctuation
Ships are made from iron. The reason why they do not sink is because:
iron has a density less than water
they have a large surface area of the hull
they are filled with air
they are have less atom
What is the pressure in Pascals at a depth of 1m below the water surface?
98100 Pa
980 Pa
98 Pa
1 Pa
15 bar equals to __________ Pascals.
105 Pa
1.5 x 106 Pa
100 Pa
1000 Pa
The pressure at any given point of a non-moving fluid is called the ___
Gauge Pressure
Atmospheric Pressure
Differential Pressure
Hydrostatic Pressure
The device used to measure the fluid pressure is ______
Hygrometer
Calorimeter
Manometer
Thermometer
What principle is in effect when a ship displaces ocean water?
Bernoulli's
Archimedes's
Pascal's
Keppler's
Which of the following does not affect the pressure beneath the surface of a liquid?
Strength of the gravitational field
Area of the liquid surface
Density of the liquid
Depth of the liquid
The pressure of the water at the bottom of a pond is ___ at the surface of the pond.
either lower or higher
higher than
same
lower than
When you increase your depth under water, the water pressure on your body
increases
decreases
stays the same
Diagram shows the design of a dam. Why does the thickness of the dam increase with its depth?
The design of this structure is stronger.
Water pressure increases with depth.
The cost of construction is lower.
Water pressure acts uniformly in all directions.
Which of the following does not affect the pressure beneath the surface of a liquid?
Strength of the gravitational field
Area of the liquid surface
Density of the liquid
Depth of the liquid
\What is the force that keep things afloat in water?
Gravity
Friction
Up-thrust
Kinetic
According to our book, The pressure on the bottom of a lake is higher than on the top of a lake because the ________ of water on the bottom of the lake is more than on top.
Weight
Pressure
Density
None of these.
If a diver returns to surface quickly, the nitrogen forms bubbles as the pressure is ________.
Increased
Decreased
Reduced
Inversely Proportional.
What is the SI unit use for hydraulic pressure?
Kg/m3
Pa
kg m-3
N m2
What is the formula for pressure?
P = F / A
P = F A
P = A / F
F = P / A
The upward force exerted by a fluid is called the...
buoyancy force
density force
fluidity force
normal force
If an object has a density of 3.6 g/mL and you put it into water (density =1.0g/mL,) will it sink or float?
sink
float
partially sink
partially float
P1 is the pressure at a depth in seawater& P2 is that in the river water are related as
P1 > P2
P1 < P2
P1 ≠ P2
P1 = P2
Calculate the pressure at the bottom of a cylindrical vessel filled with water.Area of cross section is 250 cm2. density of water is 1000 kg m-3. water is filled to a height of 10cm.
g = 10 ms-2
250 Pa
105 Pa
2500 Pa
1000 Pa
