单词 | mechanical advantage |
例句 | All these simple machines provide a mechanical advantage in moving a load. The Invention of Science 2015-09-17T00:00:00Z A protective muscle reaction to intense sounds greatly reduces the mechanical advantage of the lever system. College Physics for AP Courses 2015-08-12T00:00:00Z It’s a more efficient way of generating power - “A mechanical advantage we can create for ourselves,” is how he describes it. The jujitsu disciple who’s trying to prevent concussions 2017-05-10T04:00:00Z The mechanical advantage programmed into SALTO's leg multiplies the small amount of force from its tiny motor, creating a lot of energy to put into the leap. This primate-inspired robot is a champion jumper 2016-12-06T05:00:00Z Mrs. Clinton, for all her mechanical advantages, does face a substantial challenge: Her supporters haven’t been enthusiastic about voting, and it shows. Trump Sorely Needs a Debate Win 2016-10-05T04:00:00Z “The spotter should be on a solid base of support with a flat back in order to be at the greatest mechanical advantage,” says Dr. Miller in an email. A Risky Weightlifting Courtesy: Spotting for a Bench Press 2015-12-28T05:00:00Z The reason is clear once we realize that most muscles are attached to bones via tendons close to joints, causing these systems to have mechanical advantages much less than one. College Physics for AP Courses 2015-08-12T00:00:00Z It took rescuers about 40 minutes to free the woman’s leg using pry bars, mechanical advantage and muscle, Abbott said. Woman trapped by boulder near Chimney Rock rescued 2014-09-21T04:00:00Z “I take the mechanical advantage when I can,” he said. ArtPrize artist sees his work lasting many years 2014-09-11T04:00:00Z The mechanical advantages will be better understood by referring to the accompanying diagrams, in which Fig. The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting 2012-03-28T02:00:22.660Z In Bejan’s terms, it’s like the mechanical advantage conferred on a runner with longer legs. What Will be the Next Pinterest-like Blowup? My Vote's on Pinwheel 2012-02-23T18:59:07Z The back is considerably more complicated than the arm or leg, with various muscles and joints between vertebrae, all having mechanical advantages less than 1. College Physics for AP Courses 2015-08-12T00:00:00Z Thus the greatest mechanical advantage, that of having the entire weight of the missile at the end, as well as the least friction, is obtained. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 8 "Haller, Albrecht" to "Harmonium" 2012-01-02T03:00:22.443Z It can also help make other kinds of physical work easier by giving the user a mechanical advantage. Heavy Lifting with a Lever 2011-12-15T15:15:00.230Z It is the moveable pulley only, which gives any mechanical advantage. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z "That reduces the mechanical demands on the musculature - so it increases their 'mechanical advantage'." Kangaroo bounce mechanics snapped 2011-03-10T00:30:19Z The jaw is somewhat exceptional—the masseter muscles that close the jaw have a mechanical advantage greater than 1 for the back teeth, allowing us to exert very large forces with them. College Physics for AP Courses 2015-08-12T00:00:00Z It is propelled by pushing forward on two levers connected to the front wheels - what Mr Morgan describes as "mechanical advantage". Going wild 2010-05-14T17:39:00Z In modern art our mechanical advantages and facilities are so great that we are always carrying the method and manner of one art over the frontier of another. Custom and Myth New Edition It is obvious that the boy and the sledge move with equal velocity; there is, therefore, no mechanical advantage obtained by the pulleys. Practical Education, Volume II The pallet embracing three teeth is sound and practical, and when applied to a 15 tooth wheel, this arrangement offers certain geometrical and mechanical advantages in its construction, which we will notice in due time. An Analysis of the Lever Escapement These muscles must exert large forces, since they have typically small mechanical advantages. College Physics for AP Courses 2015-08-12T00:00:00Z It has the start of all other languages—the mechanical advantage—the position. Anticipations Of the Reaction of Mechanical and Scientific Progress upon Human life and Thought Yet the mutation of public taste offered, as the only alternative to his abandonment, the obligation of bestowing on his work every mechanical advantage, every tawdry ornament in the latest mode. Shakespeare and the Modern Stage with Other Essays Merton walked across to the bookcase, took all the volumes from the shelf, and carefully examined the backs and sides for springs and mechanical advantages. The Disentanglers In modern art our mechanical advantages and facilities are so great that we are always carrying the method and manner of one art over the frontier of another. Custom and Myth For instance, the pivot point in many joints changes location as the joint is flexed, so that the perpendicular lever arms and the mechanical advantage of the system change, too. College Physics for AP Courses 2015-08-12T00:00:00Z Of course the lower the gearing the greater is the mechanical advantage in favor of the rider when meeting with much resistance, whether from wind, mud, or steepness of slope. Scientific American Supplement, No. 447, July 26, 1884 There are valuable peculiarities in its construction, which, while complying in all respects with the dynamo principle, utilize those principles to the best mechanical advantage. Steam, Steel and Electricity It seems a mechanical advantage, and great benefit it is to each speaker, as he can now paint out his thought to himself. Representative Men Be sure to cite the mechanical advantage in your explanation as well. College Physics for AP Courses 2015-08-12T00:00:00Z Many lever systems in the body have a mechanical advantage of significantly less than one, as many of our muscles are attached close to joints. College Physics for AP Courses 2015-08-12T00:00:00Z Figure 9.24 A nail puller is a lever with a large mechanical advantage. College Physics for AP Courses 2015-08-12T00:00:00Z |
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