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WorksheetsGrade 8 Physics
Total questions: 15
Worksheet time: 8mins
Pressure rxerted by air on the earth's surface
Pressure
Atmospheric pressure
Heat pressure
Unit to measure atmospheric pressure
Millibar
Cm
Meter
The hot regions in the word has (a) pressures
The cold regions in the world has (a) pressure
Density of air is greater ________.
at the top of the mountain
at the bottom of the mountain
at the center of the mountain
Equal everywhere
Atmospheric pressure depends on _______________.
mass
density
altitude
magnitude
The ------------- exerted by atmosphere per unit area on the surface of earth is called atmospheric pressure.
pressure
force
mass
height
Name an instrument which is used to measure atmospheric pressure.
(a)
A drinking straw works on the existence of (a) pressure.
The pressure exerted by a liquid (a) with depth.
Atmospheric pressure (a) with increasing height.
Force acting on per unit area is called
(a) non contact force
(b) contact force
(c) pressure
(d) force
The pressure inside the syringe will decrease if we move the plunger in:
Direction A
Direction B
We don't have to move the plunger as the pressure will change on its own.
None of the above answers.
What is the unit of moment f force?
N
m
Nm
N/m
