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You can't use a Carnot engine to power your car--it's an ideal one that loses no heat via this resisting force |
friction
|
$1,200 |
DJ |
SCIENCE |
2019-05-23 |
#7999 |
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It's the resistance that opposes the motion of one surface across another |
friction
|
$200 |
J |
SCIENCE VOCABULARY |
2018-01-18 |
#7679 |
|
There are static & kinetic types of this force on objects that are in contact with each other |
friction
|
$400 |
J |
AN "F" IN SCIENCE |
2016-10-17 |
#7381 |
|
(Sarah of the Clue Crew delivers the clue from the NASA Glenn Research Ctr in Cleveland, OH.) I'm at the Simulated Lunar Operations Facility; NASA re-invented the wheel: a wire wheel with springs molds around rocks & creates better traction with more of this, surface resistance to relative motion |
friction
|
$400 |
J |
GENERAL SCIENCE |
2015-02-11 |
#7003 |
|
Hockey pucks are frozen before a game to reduce this motion-resisting force |
friction
|
$800 |
DJ |
SCIENCE IN SPORTS |
2013-06-06 |
#6624 |
|
(Sarah of the Clue Crew pulls a tablecloth out from under a plate.) The silkiness of the tablecloth & the smoothness of the table & plate combine to reduce this force to a minimum--don't try this at home |
friction
|
$400 |
DJ |
POPULAR SCIENCE |
2010-04-30 |
#5910 |
|
Blisters can be caused by this resistance to motion between surfaces, from the Latin for "to rub" |
friction
|
$1,600 |
DJ |
EVERYDAY SCIENCE |
2008-03-21 |
#5425 |
|
Property acting to slow objects in motion, it can also cause sparks to fly between 2 lovers |
friction
|
$800 |
DJ |
PHYSICAL SCIENCE |
1985-10-16 |
#288 |