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Questions and Answers
Physics is the natural science of ______
matter
Physics intersects with many interdisciplinary areas of research, such as ______ and quantum chemistry
biophysics
A scientist who specializes in the field of physics is called a ______
physicist
New ideas in physics often explain the fundamental ______
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Physics is one of the oldest academic disciplines and, through its inclusion of ______, perhaps the oldest
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Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed
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Gauge pressure (also spelled gage pressure) is the pressure relative to the ______ pressure
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The SI unit of pressure, the ______ (Pa), for example, is one newton per square metre (N/m2)
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The atmosphere (atm) is equal to this pressure, and the torr is defined as 1⁄760 of this
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Manometric units such as the centimetre of water, millimetre of mercury, and inch of mercury are used to express pressures in terms of the height of column of a particular fluid in a manometer
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