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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JUN 02, 2021
Health & Medicine
JUN 02, 2021
There’s a prevailing view that the tetrahydrocannabinol (THC) part of cannabis is just for fun — bringing th
...
Written By:
Angela Dowden
MAR 03, 2021
Chemistry & Physics
MAR 03, 2021
Research published in the journal Scientific Reports describes a new kind of active matter, termed a swirlonic state. As
...
Written By:
Kathryn DeMuth Sullivan
SEP 11, 2020
Chemistry & Physics
SEP 11, 2020
As reflected by Moore's law, the semiconductor industry has observed a tremendous growth in microelectronics in the
...
Written By:
Daniel Duan
JUN 09, 2020
Chemistry & Physics
JUN 09, 2020
The idea of time in physics is often associated with the second law of thermodynamics, which states that the entropy of
...
Written By:
Daniel Duan
MAR 17, 2020
Space & Astronomy
MAR 17, 2020
Almost a year ago, astronomers released the first true image of a black hole. All efforts were focused on a supermassive
...
Written By:
Anthony Bouchard
FEB 25, 2020
Chemistry & Physics
FEB 25, 2020
The conservation of energy is a universal rule in our universe. This principle of nature dictates that in an isola
...
Written By:
Daniel Duan
JAN 28, 2019
Plants & Animals
JAN 28, 2019
When birds and fish move around, they often do so in large groups. These groups are called flocks in the bird world, but
...
Written By:
Anthony Bouchard
OCT 31, 2018
Earth & The Environment
OCT 31, 2018
The case of the group of 21 youths who are suing the federal government for its apathy towards climate change and promot
...
Written By:
Kathryn DeMuth Sullivan
SEP 03, 2018
Videos
SEP 03, 2018
Driving a car is something you have to focus on, completely. Regardless of how long you’ve been driving or how fam
...
Written By:
Brenda Kelley Kim
JUL 13, 2018
Health & Medicine
JUL 13, 2018
Any parent who has had a colicky baby can tell you that the vibrations of a moving car can soothe even the crankiest chi
...
Written By:
Brenda Kelley Kim
JUN 04, 2018
Videos
JUN 04, 2018
Getting stuck in quicksand really isn't the way you want to go. But here are some tricks you should know in cas
...
Written By:
Kathryn DeMuth Sullivan
JAN 05, 2018
Chemistry & Physics
JAN 05, 2018
According to a recently published study in Nature, an international team of researchers has demonstrated a way to observ
...
Written By:
Daniel Duan
NOV 22, 2017
Chemistry & Physics
NOV 22, 2017
Good things come in pairs, even in relativistic physics. Recently two independent studies have shown that different meth
...
Written By:
Daniel Duan
OCT 04, 2017
Videos
OCT 04, 2017
The search for a perpetual motion machine has been the chupacabra of physics for centuries. Multiple designs have been m
...
Written By:
Brenda Kelley Kim
MAY 16, 2017
Videos
MAY 16, 2017
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
MAR 21, 2017
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
MAR 14, 2017
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
JAN 25, 2017
Videos
JAN 25, 2017
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
NOV 22, 2016
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
SEP 20, 2016
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
MAY 05, 2016
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
MAR 26, 2015
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
FEB 21, 2014
Kleiber's law is a well-known formula in the biological field. It simply states that the metabolism of a living being eq
...
Written By:
Jen Ellis
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