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Jul 9, 2015 · Gravity Basics for Sci-fi Authors. To understand gravity, the first thing to do is get a big trampoline. Or one of those coin-eating toys that looks like a trumpet shape where you put a coin in the top and it spirals around and around faster and faster until it drops through the middle.
Jun 29, 2023 · Mass-market science fiction—the kind we see in movies and TV shows—is notoriously inaccurate when it comes to portraying the physics of outer space. Yet the science in question isn’t particularly advanced. The basic principles that govern how a...
Center of gravity, in physics, an imaginary point in a body of matter where, for convenience in certain calculations, the total weight of the body may be thought to be concentrated. In a uniform gravitational field, the center of gravity is identical to the center of mass.
- The Editors of Encyclopaedia Britannica
This chapter discusses Clausewitz's concept of centre of gravity, one of his most misunderstood ideas. The concept, as Clausewitz introduced it, is closer to the idea of a focal point, rather than a center or source of strength.
The Centre of gravity is an imaginary point in a body of matter where the total weight of the body is thought to be concentrated. In general, determining the centre of gravity may be complicated because the mass and weight may not be uniformly distributed throughout the object.
- Archimedes of Syracuse discovered the centre of gravity.
- The centre of gravity affects the stability of objects. The lower the centre of gravity (G) is, the more stable the object. The higher it is, the m...
- The Centre of gravity vastly simplifies calculations involving gravitation and dynamics to treat the mass of an object as if it is concentrated at...
- In an anatomical position, the centre of gravity lies approximately anterior to the second sacral vertebra. However, since human beings do not rema...
- The position of the centre of gravity of an object affects its stability. The lower the centre of gravity (G) is, the more stable the object. The h...
Nov 20, 2023 · Centre of Gravity Definition. The centre of gravity of an object is the point at which the weight of the object may be considered to act. For example, for a person standing upright, their centre of gravity is roughly in the middle of the body behind the navel, and for a sphere, it is at the centre.
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Nov 24, 2022 · An easy-to-understand introduction to the idea of center of gravity. How does gravity make tall things topple over? Why do low-down things keep their balance?
