A top is a toy designed to be spun rapidly on the ground, the motion of which causes it to remain precisely balanced on its tip because of inertia. Such toys have existed since antiquity. Traditionally tops were constructed of wood, sometimes with an iron tip, and would be set in motion by aid of a string or rope coiled around its axis which, when pulled quickly, caused a rapid unwinding that would set the top in motion. Today they are often built of plastic, and modern materials and manufacturing processes allow tops to be constructed with such precise balance that they can be set in motion by a simple twist of the fingers and twirl of the wrist without need for string or rope.
The motion of a top is produced in the most simple forms by twirling the stem using the fingers. More sophisticated tops are spun by holding the axis firmly while pulling a string or twisting a stick or pushing an auger. In the kinds with an auger, an internal weight rotates, producing an overall circular motion. Some tops can be thrown, while firmly grasping a string that had been tightly wound around the stem, and the centrifugal force generated by the unwinding motion of the string will set them spinning upon touching ground.
For finite-dimensional k-algebras (k a field), if rad(M) denotes the intersection of all proper maximal submodules of M (the radical of the module), then the top of M is M/rad(M). In the case of local rings with maximal ideal P, the top of M is M/PM. In general if R is a semilocal ring (=semi-artinian ring), that is, if R/Rad(R) is an Artinian ring, where Rad(R) is the Jacobson radical of R, then M/rad(M) is a semisimple module and is the top of M. This includes the cases of local rings and finite dimensional algebras over fields.
A top is clothing that covers at least the chest, but which usually covers most of the upper human body between the neck and the waistline. The bottom of tops can be as short as mid-torso, or as long as mid-thigh. Men's tops are generally paired with pants, and women's with pants or skirts. Common types of tops are t-shirts, blouses and shirts.
The neckline is the highest line of the top, and may be as high as a head-covering hood, or as low as the waistline or bottom hem of the top. A top may be worn loose or tight around the bust or waist, and may have sleeves or shoulder straps, spaghetti straps (noodle straps), or may be strapless. The back may be covered or bare. Tops may have straps around the waist or neck, or over the shoulders.
You can start a Facebook Poll within minutes in most groups and customize it to best fit your needs. If you need to survey a group of people quickly, we’ll show you how; here are the steps to create a poll on Facebook ... Navigate to the group where your poll is located and click the three horizontal dots at the post’s top-right corner.
The new format will see the top teams from the three groups competing in a knockout competition after the group stage. “For both competitions, the top five teams from Groups A, B and C as well as the best sixth-placed team from the three groups will make the last-16.
benchmark crude futures topped $66 a barrel on Friday, while its global counterpart Brent neared the key $70 level ... The group's latest decision represents a victory for Riyadh, which has advocated for tight curbs to keep prices supported ... Goldman SachsGroupInc ... said crude could top $70 before the end of this month.
The Mercury had seven top-10 honors in this year's writing and video contest, one more than last year. In 2018, its first year competing in the contest, The Mercury snagged four top 10s ... The only other organizations to earn seven or more top 10s in this year's contest are among the largest and most well-known outlets in the country.
It’s a situation many top-flight wrestlers go into each match ... Finals for the first group begin at 4.30 p.m. Semifinals for the second group is 6.30 p.m ... The top four wrestlers in each weight class qualify for the PIAA Championships March 12 and 13 in Hershey.
The six finalists for the state’s top senior basketball awards have been announced. Cash McClure of Maranacook in Readfield and Parker Desjardins of Forest HillsHigh of Jackman are two of the three finalists for the Mr. Maine Basketball award ... The Mr ... The top three in each gender were selected from a group of 10 student-athletes ... ....
One game at 1.30 p.m ...Perry will have his top five receivers back from 2019, led by HarryBallard. That group combined for 139 receptions for 2,675 yards and 25 touchdowns ... The offensive line boasts a pair of All-SWAC players in tackle Mark Evans and guard Atondre Smith, part of a group that allowed the second fewest sacks (18) in the league in 2019 ... .
FAIRFIELD — Grapeland avenged its only loss of the season to earn its first trip to the state semifinals since 2017. LaPoynor defeated the Sandies 61-56 on Dec. 12, 2020, in Grapeland ... “They’re so talented, and they’re so young ... This is a very impressive group from LaPoynor. For us to go over the top of them, it means the world to us and our guys ... No.
A mistake when climbing on a steep slope can result in a long fall. The longer it last and the more speed that is build up, the harder it is to arrest the decent ... In a matter of minutes, the 16-point Springville advantage was cut to just four points (44-40) ... “This group of seniors put Lehi on the map. We are a top program because of them ... Porray added.
WASHINGTON — A group backing Democratic candidates with backgrounds in science, technology, engineering and math is looking to raise and spend $50 million in the 2022 midterms, listing two open Senate seats as top priorities ... races are two of the group’s top priorities in 2022.
The weekend will feature performances by The Whisnants, a Morganton-based group, along with several other of the nation’s top Southern gospel artists ... According to Jeff Whisnant, the group’s owner and manager, the Whisnant’s Homecoming began eight years ago as an opportunity for ...
With BTS standing atop the IFPIGlobal Artist Chart; which reveals the Top 10 best-selling artists of the year on a global scale, the boy group becomes the first Asian and South Korean act to achieve this impressive milestone ... While Taylor topped IFPI's chart last year and in 2014, Drake placed #1 in 2018 and 2016 respectively.