"P" + a country that uses the ruble as its currency = this historic German realm
Prussia
When you're on a plane, it's the 4-letter opposing force of thrust
Drag
Not just a whiz with a lever, Archimedes is said to have used this simple machine & cranks to drag a ship from land into the sea
A pulley
Mechanical engineer Howard Wolowitz
The Big Bang Theory
$200: The Lincoln Sea, part of the Arctic Ocean, borders this island known as Kalaallit Nunaat locally
Greenland
Central U.S. state + "polis" = this capital city of that same state
Indianapolis
This one of the simple machines, an adaptation of the inclined plane, can be used to split a log.
A Wedge
In the late 1700s James Watt coined this term that's equivalent to about 33,000 foot-pounds of work per minute
Horse-Power
Jefferson High School student Potsie Weber
Happy Days
In the Northeast, the Indian state of Tripura is surrounded on three sides by this neighboring country
Bangladesh
A West African country + "IA" = this other West African country
Nigeria
It's the type of acceleration of a body traveling in a circular motion; the same-named "force" is directed towards the circle's center, centrifugal
centrifugal
2-word distance from the center of a lens to a point where the light rays that pass through it converge
Focal Length
White-collar worker Dwight Schrute
The Office
This island group, a common destination for migrants trying to reach Spain by sea, is about 60 miles from Morocco
The canary Islands
"Ar" + a central U.S. state = this other central U.S. state
Arkansas
Quarks are grouped in 3 pairs: up & down, top & bottom & let's call them this "rizzy" & "odd" pair
Strange and Charm
This isotope of hydrogen also called 3H has one proton & 2 neutrons in its nucleus
tritium
Next-door neighbor Steve Urkel
Family Matters
Popular with tourists, the resort city of Cabo San Lucas is found at the extreme southern tip of this peninsula
Baja California
"As" + a Middle Eastern country = this ancient empire
Assyria
A CERN document calls it a material "composed of electrically neutral particles that can... flow without friction"
A superfluid
Named for a Scottish botanist, it's the random movement of microscopic particles in a fluid
brownian motion
Bayside High School student Samuel "Screech" Powers
Saved by the bell
Called Titograd from 1946 to 1992, Podgorica is the capital & largest city of this former Yugoslav republic
Montenegro