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Laws of Motion
Laws of Motion: Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics. They describe the relationship between a body and the forces acting upon it, and its motion in response to those forces. More precisely, the first law defines the force qualitatively, the second law offers a quantitative measure of the force, and the third asserts that a single isolated force doesn't exist. These three laws have been expressed in several different ways, over nearly three centuries.
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MAY 16, 2017Videos
The popular spinning toys that seem to be everywhere now are being promoted as a gadget to help kids focus. The concept ...Written By: Brenda Kelley KimMAR 21, 2017Chemistry & Physics
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One would think that aggressively knocking your head against a hardwood tree would result in a few minor concussions at ...Written By: Kathryn DeMuth SullivanMAR 26, 2015Chemistry & Physics
Suppose you dug a tunnel through the center of Earth, jumped in, and let gravity pull you through. How long would it tak ...Written By: Will HectorFEB 21, 2014Cell & Molecular Biology
Kleiber's law is a well-known formula in the biological field. It simply states that the metabolism of a living being eq ...
MAY 16, 2017
Videos
The popular spinning toys that seem to be everywhere now are being promoted as a gadget to help kids focus. The concept
...
Written By:
Brenda Kelley Kim
MAR 21, 2017
Chemistry & Physics
When Henry J. Heinz started selling ketchup in bottles in 1876, he chose glass to show his product was pure and uncontam
...
Written By:
Futurity (futurity.org)
MAR 14, 2017
Videos
Everyone has seen videos of the astronauts on board the International Space Station floating around, watching their food
...
Written By:
Brenda Kelley Kim
FEB 02, 2017
Chemistry & Physics
Metal that Conducts Electricity But Not Heat?
Written By:
Jennifer Ellis
JAN 25, 2017
Videos
Did you know that the Earth is actually slowing down in its rotation? Studies show that its rotation has slowed about 17
...
Written By:
Kathryn DeMuth Sullivan
NOV 22, 2016
Videos
It's a big week for football, from pee wee games, to high school Thanksgiving rivalries to college and professional play
...
Written By:
Brenda Kelley Kim
SEP 20, 2016
Videos
A long time ago, in a galaxy far, far…OK, not really, it was on Twitter. Physicist Neil Degrasse Tyson and British physi
...
Written By:
Brenda Kelley Kim
MAY 05, 2016
Plants & Animals
One would think that aggressively knocking your head against a hardwood tree would result in a few minor concussions at
...
Written By:
Kathryn DeMuth Sullivan
MAR 26, 2015
Chemistry & Physics
Suppose you dug a tunnel through the center of Earth, jumped in, and let gravity pull you through. How long would it tak
...
Written By:
Will Hector
FEB 21, 2014
Cell & Molecular Biology
Kleiber's law is a well-known formula in the biological field. It simply states that the metabolism of a living being eq
...