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Questions and Answers
Which unit is used to express pressure in the SI system?
Which unit is used to express pressure in the SI system?
- Torr
- Pound-force per square inch
- Atmosphere
- Pascal (correct)
What is gauge pressure?
What is gauge pressure?
- Pressure applied perpendicular to the surface of an object
- Pressure expressed in terms of standard atmospheric pressure
- Pressure exerted by a unit of force
- Pressure relative to the ambient pressure (correct)
Which unit is defined as 1/760 of standard atmospheric pressure?
Which unit is defined as 1/760 of standard atmospheric pressure?
- Pascal
- Torr (correct)
- Centimeter of water
- Pound-force per square inch
Which of the following best describes force?
Which of the following best describes force?
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What is the SI unit of force?
What is the SI unit of force?
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According to Newton's second law, the acceleration of an object is directly proportional to which of the following?
According to Newton's second law, the acceleration of an object is directly proportional to which of the following?
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Study Notes
Pressure and Force
- The unit used to express pressure in the SI system is the Pascal (Pa).
- Gauge pressure is the pressure relative to atmospheric pressure.
- The unit defined as 1/760 of standard atmospheric pressure is the Torr.
- Force is best described as a push or pull that can cause an object to change its motion.
- The SI unit of force is the Newton (N).
- According to Newton's second law, the acceleration of an object is directly proportional to the net force acting on it.
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Description
Test your knowledge of pressure and its measurement units with this informative quiz. Learn about gauge pressure, the pascal, and various other units used to express pressure.
