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Pre-20th century, it was thought that stars were powered by the heat generated from their own collapse caused by this force |
gravity
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$400 |
DJ |
JUST A LITTLE ASTROPHYSICS |
2025-02-12 |
#9268 |
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It was the first of the fundamental forces to be systematically described |
gravity
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$200 |
J |
PHYSICS CHECKUP |
2023-05-12 |
#8 |
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The standard model of particle physics accounts for 3 of the 4 fundamental forces, skipping this one, important in daily life |
gravity
DD
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$5,000 |
DJ |
A CHEM/ PHYSICS/ BIO SAMPLER |
2022-09-13 |
#8697 |
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At Earth's surface the acceleration produced by this force is about 32 feet per second per second |
gravity
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$400 |
DJ |
PHYSICS |
2019-11-14 |
#8094 |
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The general theory of relativity is concerned with this universal force of attraction |
gravity
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$400 |
DJ |
PHYSICS |
2018-05-24 |
#7769 |
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Relativity theory assumes that the effect of acceleration on an object equals the effect of this force |
gravity
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$400 |
DJ |
PHYSICS |
2007-06-20 |
#5258 |
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Pure water's density is approximately 1 gram per cubic centimeter, & its "specific" this is also 1 |
gravity
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$800 |
DJ |
PHYSICS |
2005-09-16 |
#4830 |
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The 4 basic forces that exist in nature are strong, weak, electromagnetic & this one |
gravity
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$400 |
DJ |
PHYSICS FITNESS |
2001-07-17 |
#3902 |
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The point around which a body's weight is evenly balanced is called its center of mass or of this |
Gravity
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$200 |
DJ |
PHYSICS |
2000-12-07 |
#3744 |
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Normally, your mass doesn't change, but your weight does, when this force changes |
Gravity
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$800 |
DJ |
PHYSICS |
2000-09-28 |
#3694 |
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In 1666 it occurred to Newton that apples & the moon might both be subject to this force |
Gravity
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$200 |
DJ |
NEWTONIAN PHYSICS |
1999-02-23 |
#3337 |
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1 of the 4 basic forces in nature is this one that keeps you earthbound |
gravity
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$100 |
J |
PHYSICS |
1990-10-01 |
#1396 |
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Because a man in free fall doesn't feel this force, he feels "weightless" |
gravity
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$200 |
DJ |
PHYSICS |
1986-04-16 |
#418 |
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Though it holds our planet together, it's actually a much weaker force than electro-magnetism |
gravity
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$600 |
DJ |
PHYSICS |
1985-11-15 |
#310 |