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WorksheetsM2.2 Pressure and Buoyancy
Total questions: 23
Worksheet time: 12mins
What is pressure defined as in the context of force and area?
Pressure is the force spread over an area.
P = F/A
Pressure is the weight of an object.
Pressure is the speed of an object.
Pressure is the temperature of an object.
What is one of the units of pressure ?
Newton
bar
Joule
Watt
What is the effect of buoyancy related to?
Temperature
Pressure
Volume
Density
What unit is used to state atmospheric pressure?
atm (atmosphere)
kg
m/s
liters
What is the value of 1 atm in bars?
1.01 bar
2.00 bar
0.50 bar
1.50 bar
What is the purpose of a mercury barometer?
To measure atmospheric pressure
To measure temperature
To measure humidity
To measure wind speed
What does the height of the mercury column in a barometer indicate?
Temperature
Atmospheric pressure
Humidity
Wind speed
What is an absolute vacuum?
A space with air
A space with water
A space with no particles
A space with dust
What does the term "Pg" represent in the formula for absolute pressure?
Absolute pressure
Gauge pressure
Atmospheric pressure
Vacuum pressure
What is the density of benzene if it is less dense than water?
862 kg/m³
1702 kg/m³
1000 kg/m³
1020 kg/m³
Which of the following is a common unit for measuring density?
Joule
Newton
m/s²
kg/m³
What is the relationship between pressure and volume in a closed system at constant temperature?
Unrelated
Exponentially proportional
Inversely proportional
Directly proportional
What is the standard atmospheric pressure at sea level in mmHg?
760 mmHg
500 mmHg
850 mmHg
1013 mmHg
What is the SI unit of pressure?
Torr
Bar
Atmosphere
Pascal
How does temperature affect the pressure of a gas in a closed container?
Pressure decreases with increasing temperature
Pressure remains constant
Pressure increases with increasing temperature
Pressure is unaffected by temperature
What is the principle behind a hydraulic press?
Archimedes' Principle
Newton's First Law
Pascal's Law
Bernoulli's Principle
What is the principle that explains why objects float or sink in a fluid?
Bernoulli's Principle
Newton's Third Law
Archimedes' Principle
Pascal's Law
What is the principle that describes the behavior of fluid flow through a pipe with varying cross-sectional areas?
Pascal's Law
Bernoulli's Principle
Archimedes' Principle
Newton's Second Law
What is the effect of increasing altitude on atmospheric pressure?
Pressure remains constant
Pressure decreases
Pressure fluctuates randomly
Pressure increases
What is gauge pressure?
The pressure in a vacuum
The pressure at sea level
The pressure relative to atmospheric pressure
The total pressure including atmospheric pressure
How is atmospheric pressure measured?
Using a thermometer
Using a barometer
Using a hygrometer
Using a voltmeter
What happens to gauge pressure if atmospheric pressure increases while the absolute pressure remains constant?
Gauge pressure increases
Gauge pressure decreases
Gauge pressure remains the same
Gauge pressure becomes zero
Which instrument is used to measure the density of a liquid?
Barometer
Voltmeter
Hydrometer
Thermometer
