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Conceptual Physics - Chapter 13 terms, Conceptual Physics Chapter 16, Conceptual Physics - Chapter 12 terms, Conceptual Physics Chapter 13 Liquids, Conceptual Physics Chapter 14, Conceptual Physics - Chapter 15
Terms in this set (40)
the ratio of force to the area over which that force is distributed:
pressure = force/area
liquid pressure = weight density x depth
the net upward force that a fluid exerts on an immersed object
an immersed body is buoyed up by a force equal to the weight of the fluid is displaces
Principle of Flotation
a floating object displaces a weight of the fluid equal to its own weight
the pressure applied to a motionless fluid confined in a container is transmitted undiminished throughout the fluid
the tendency of the surface of a liquid to contract in area thus to behave like a stretched elastic in membrane
the rise of a liquid in a fine, hollow tube or in a narrow space
The transfer of heat energy by molecular and electron collisions within a substance (especially a solid).
The transfer of heat energy in a gas or liquid by means of currents in the heated fluid. The fluid moves, carrying energy with it.
The transfer of energy by means of electromagnetic waves.
Warming of the lower atmosphere by short-wavelength radiation from the sun that penetrates the atmosphere, is absorbed by the Earth, and is re-radiated at longer wavelengths that cannot easily escape the Earth's atmosphere.
1400 J/m2 received from the sun each second at the top of the Earth's atmosphere on an area perpendicular to the sun's rays; expressed in terms of power, 1.4 kW/m2.
Energy per unit time derived from the sun.
Radiant energy emitted from Earth.
The linking together of atoms to form larger structures, including solids
The mass of a substance per unit volume: density equals mass/volume/
The property of a material by which it changes shape when a deforming force acts on it and returns to its original shape when the force is removed
The amount of stretch or compression of an elastic material is directly proportional to the applied force
The study of how size affects the relationships among weight, strength, and surface area
The ratio of the force to the area over which that force is distributed.
The net upward force that a fluid exerts on an immersed object.
An immersed body is buoyed up by a force equal to the weight of the fluid it displaces.
Principle of flotation
A floating object displaces a weight of fluid equal to its own weight.
The pressure applied to a motionless fluid confined in a container is transmitted undiminished throughout the fluid.
The tendency of the surface of a liquid to contract in area and thus to behave like a stretched elastic membrane.
The rise of a liquid in a fine, hollow tube or in a narrow space
The point in a satellite's elliptical orbit farthest from the center of the earth
An oval-shaped curve that is the path of a point that moves such that the sum of its distances from two fixed points (foci) is constant
The minimum speed necessary for an object to escape lead from a gravitational field that holds it
Focus (pl. foci)
For an ellipse, one of the two points for which the sum of the distances to any point on the lips is a constant. A satellite orbiting earth moves in an ellipse that has earth at one focus
The point in a satellite's elliptical orbit where it is nearest the center of earth
The time required for a complete orbit
an object that falls around earth or some other body rather than falling into it
Kepler's Law of Planetary Motion
three laws discovered by German astronomer Johannes Kepler that describe the motions of the planets around the Sun
A measure of the average translational kinetic energy per molecule in a substance, measured in degrees Celsius or Fahrenheit or in kelvins (K).
The lowest possible temperature that a substance may have - the temperature at which molecules of the substance have their minimum kinetic energy
The energy that flows from s substance of lower temperature, commonly measured in calories or joules
The total of all molecular energies, kinetic plus potential, that are internal to a substance
Specific Heat Capacity
The quantity of heat per unit mass required to raise the temperature of a substance by 1 Celsius degree
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