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see gravitationgravitation,
the attractive force existing between any two particles of matter. The Law of Universal Gravitation

Since the gravitational force is experienced by all matter in the universe, from the largest galaxies down to the smallest particles, it is often called
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The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved.


The gravitational attraction at the surface of a planet or other celestial body. The quantity g is often referred to simply as “gravity’’ or “the force of gravity’’ of Earth, both of which are incorrect. The force of gravity means the force with which a celestial body attracts an object, that is, the weight of the object. The letter g represents the acceleration caused by the gravitational force and, of course, has the dimensions of acceleration. See Gravitation

McGraw-Hill Concise Encyclopedia of Physics. © 2002 by The McGraw-Hill Companies, Inc.


1. Another name for gravitation.
2. The apparent force of gravitation on an object at or near the surface of a planet, satellite, etc.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006


The gravitational attraction at the surface of a planet or other celestial body.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


1. the force of attraction that moves or tends to move bodies towards the centre of a celestial body, such as the earth or moon
2. the property of being heavy or having weight
3. another name for gravitation
4. lowness in pitch
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Since the ability to translate between different yet equivalent descriptions of quantum-gravitational objects lies at the heart of many of the latest developments in quantum gravity research, this new 'communication channel' may prove to be a useful tool for future research on this intriguing topic.
Terrestrial gravimetric measurements to map the gravity field over the Estonian territory have been conducted since 1939 (Sildvee 1998).
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"Having them sharing energy is really exciting; this explains how some of the energy that comes from the atmosphere, from the sun and the wind, to the upper part of the ocean, can actually be driven to roll in the deep ocean through acoustic gravity waves."
Similar to the acquisition of Cloud9 Holdings in December 2014, MDP is a great fit with Financial Gravity, delivering on the primary goal of acquiring clients and talent.
Mountains have more mass than valleys and the pull of gravity is stronger near mountains.
If you work in the injection molding industry long enough, at some point in your career you will be sure to hear someone say: 'Turn the mold 90 degrees (or 180 degrees) to see if that fixes the problem." And when asked why on earth would that person suggest such a thing, the answer usually is "Gravity!" At this point everyone gets a good laugh and makes fun of the person who suggested such an absurd solution.