| 单词 | moment of inertia |
| 例句 | There are long moments of inertia and silence; then the rolling begins again. Dance Review: Repetitions Build Drama With Rhythm and Gesture 2011-06-14T23:56:46Z To do this, felines exploit the physical laws of classical mechanics: by placing their front paws close to their body, they reduce their moment of inertia. Why Do Cats Land on Their Feet? Physics Explains 2023-07-24T04:00:00Z The moment of inertia I is given and the torque can be found easily from the given force and perpendicular lever arm. College Physics for AP Courses 2015-08-12T00:00:00Z The moment of inertia of a particle of mass m about an axis is mr 2, where r is the distance of the particle from the axis. Calculus, Volume 3 2016-03-30T00:00:00Z Exactly, the actual physics behind that is: you’re reducing your moment of inertia, which increases your rotational velocity. How Olympic Figure Skaters Break Records with Physics 2022-02-14T05:00:00Z That boosts the moment of inertia and helps mitigate the effect of a poor shot. Golf equipment truths: How do I know which type of putter I should be using? - Golf Digest 2020-03-25T04:00:00Z They stretch their legs to create as large a moment of inertia as possible. Why Do Cats Land on Their Feet? Physics Explains 2023-07-24T04:00:00Z After the collision, the rotational kinetic energy can be found because we now know the final angular velocity and the final moment of inertia. College Physics for AP Courses 2015-08-12T00:00:00Z Sometimes, we need to find the moment of inertia of an object about the origin, which is known as the polar moment of inertia. Calculus, Volume 3 2016-03-30T00:00:00Z They also feature high-density tungsten powder in the sole to increase moment of inertia for more stability on off-center hits. Tommy Armour revitalizes venerable 845 name with new woods, irons and cutting-edge, CG-focused technology - Golf Digest 2020-03-18T04:00:00Z One, the Spider S, is the more commonly seen idea of increasing moment of inertia, which is a measurement of stability on off-center hits. TaylorMade Truss, Spider S putters emphasize stability to make your putts better than you are - Golf Digest 2020-02-03T05:00:00Z The combination of heavier steel both low in the head and in the perimeter increases the moment of inertia to create more consistent ball speed on off-center hits. Ping Golf's Heppler putters provide a firmer feel for those who want it - Golf Digest 2020-01-20T05:00:00Z Why is the moment of inertia of a hoop that has a mass M and a radius R greater than the moment of inertia of a disk that has the same mass and radius? College Physics for AP Courses 2015-08-12T00:00:00Z Finding the mass, center of mass, moments, and moments of inertia in double integrals: Calculus, Volume 3 2016-03-30T00:00:00Z The carbon fiber sole plate allows weight to be moved to the extremes to boost moment of inertia to mitigate the effect of mis-hits. Tour Edge unveils its Ti-Utility iron and Wingman putter provide help to golfers at both ends of the bag - Golf Digest 2020-01-17T05:00:00Z The company’s hallmark lightweight aluminum and heavier tungsten weights remain, optimizing center of gravity location and moment of inertia properties. PXG's latest irons used golf-ball technology as an inspiration to boost distance - Golf Digest 2020-01-09T05:00:00Z The new Odyssey Stroke Lab Black lineup debuts today with two new multimaterial mallets focused on yielding a high moment of inertia. Odyssey extends Stroke Lab lineup to add consistency to your mishits along with consistency in your putting stroke - Golf Digest 2019-10-15T04:00:00Z The basic relationship between moment of inertia and angular acceleration is that the larger the moment of inertia, the smaller is the angular acceleration. College Physics for AP Courses 2015-08-12T00:00:00Z An average of 90 grams of high-density tungsten in the heel and toe of the 4- through 7-iron creates a higher moment of inertia for an iron with a compact players shape. Titelst T-Series irons offer three solutions for three player types— including a golf ball technology to speed up the face - Golf Digest 2019-08-06T04:00:00Z Luttrell also said the weight also is positioned to create more stability on off-center hits, or moment of inertia, an increase in MOI of 10 percent compared to the 818 hybrids. Titleist TS hybrids take their cue (energy, forgiveness) from TS driver, fairway - Golf Digest 2019-07-30T04:00:00Z This combination stabilizes the head so much that it has the same extremely high moment of inertia as the original Spider but in a more compact package. Why TaylorMade's Spider X Putter is a Game Changer - Golf Digest 2019-06-11T04:00:00Z But while o low spin, the club stays true to Ping’s commitment to high moment of inertia. Bryson DeChambeau's new irons and Steve Stricker's old ones highlight the equipment changes made last week at the Memorial Tournament - Golf Digest 2019-06-04T04:00:00Z The moment of inertia depends not only on the mass of an object, but also on its distribution of mass relative to the axis around which it rotates. College Physics for AP Courses 2015-08-12T00:00:00Z Currently ranked second on tour in strokes gained/putting, Perez uses a prototype version of PXG’s Gunboat, a high moment of inertia mallet that provides extra stability. PGA Tour stats: Why a key putting stat should translate to success at the AT&T Byron Nelson - Golf Digest 2019-05-07T04:00:00Z That performance is an enhancement of typical performance parameters like moment of inertia, he said. PXG 0211 irons make statement with more affordable price but same fundamental distance and feel technology - Golf Digest 2019-05-07T04:00:00Z The Sigma 2 Valor 400 offers a mallet shape with a high moment of inertia, or resistance to twisting. Ping adds Valor 400 to Sigma 2 putter line for those looking at heavier-headed, extra-stable option for alternative putting strokes - Golf Digest 2019-05-01T04:00:00Z The moment of inertia is higher, which means it’s going to torque less during the stroke. Best Mallet Putters of 2019: The 11 best options for maximum stability and a smoother roll - Golf Digest 2019-04-23T04:00:00Z The mass is the same in both cases; but the moment of inertia is much larger when the children are at the edge. College Physics for AP Courses 2015-08-12T00:00:00Z The high moment of inertia mallet with an unusual grip looks like a frying pan or a flying saucer and is designed to stay square through impact because it's balanced to the putter's lie angle. Adam Scott practicing with different putter hours before third-round tee time. Will he make the switch? - Golf Digest 2019-04-13T04:00:00Z Woolgar said the saved weight from not having an adjustable hosel is redistributed in the perimeter of the head to improve the head’s moment of inertia, or stability on off-center hits. Lynx Prowler VT takes driver adjustability in a different direction with switchable face plates - Golf Digest 2019-02-04T05:00:00Z Using a lighter matieral in the face and a heavier head helps boost the moment of inertia for better performance on mis-hits. Scotty Cameron debuts his "most technologically advanced" putter line to date - Golf Digest 2019-01-22T05:00:00Z It’s a large profile, high moment of inertia driver that’s built for both forgiveness on off-center hits and aerodynamic efficiency. Titleist TS2, TS3 drivers, fairway woods are result of new "speed project" and "taking it to another level" - Golf Digest 2018-09-06T04:00:00Z In the next image, her rate of spin increases greatly when she pulls in her arms, decreasing her moment of inertia. College Physics for AP Courses 2015-08-12T00:00:00Z “The secondary benefit from more toe weight beyond increasing moment of inertia is a more centralized sweet spot.” Mizuno JPX919 iron series finds new distance, feel and forgiveness in new metals and manufacturing - Golf Digest 2018-08-29T04:00:00Z The Sub Zero model utilizes front and back weights to bring driver spin down, while providing added forgiveness through a high moment of inertia that enhances performance on mis-hits. Why Jon Rahm had two 4-irons in the bag at Bellerive - Golf Digest 2018-08-13T04:00:00Z The wider the body, the higher the moment of inertia, which assists off-center strikes. Tiger Woods' clubs: Two equipment changes Tiger made in his last U.S. Open tune-up - Golf Digest 2018-06-04T04:00:00Z It makes the company’s boldest statement yet in the putter category that high moment of inertia can be a major benefit for some players. The Operator putter from PXG raises the bar for stability and customization options - Golf Digest 2018-05-17T04:00:00Z She has a moment of inertia of 2.34 kg ⋅ m2 with her arms extended and of 0.363 kg ⋅ m2 with her arms close to her body. College Physics for AP Courses 2015-08-12T00:00:00Z This idea of creating a more stable structure to reduce falloff in performance on impacts that occur farther away from the center is commonly called moment of inertia. Odyssey's new EXO putters concentrate on providing stability with high moment-of-inertia features - Golf Digest 2018-04-18T04:00:00Z Michaels said the TA1 driver’s technology is largely focused on forgiveness with a moment of inertia of 5,400 grams centimeters squared, among the highest of all drivers currently on the market. Tommy Armour Golf starts anew with high tech driver that's got "everything that you would expect from the big boys" - Golf Digest 2018-03-15T04:00:00Z The significant improvement is a deeper center of gravity in both models, aimed at improving moment of inertia or off-center hit performance. New Titleist 818 hybrids offer forgiveness, launch and shotmaking options, moreso than just distance—and that's a good thing - Golf Digest 2017-08-31T04:00:00Z We will not talk about moment of inertia, mostly because we’re not sure what moment of inertia means. Welcome to The Loop, an irresistible cocktail of golf, sports and more - Golf Digest 2017-05-09T04:00:00Z To find this quantity, we use the conservation of angular momentum and note that the moments of inertia and initial angular velocity are given. College Physics for AP Courses 2015-08-12T00:00:00Z The extra weighting in the wings raises the head’s moment of inertia to provide improved roll and more consistent distance on off-center impacts. "Bat Attack" putter used by Lydia Ko added to PXG's line - Golf Digest 2017-04-11T04:00:00Z Also providing forgiveness are larger face cavities that allowed weight to be moved to the perimeter for a greater moment of inertia, providing better performance on mis-hits. Ping debuts Sigma G line of putters - Golf Digest 2017-01-25T05:00:00Z Jertson said that similar workability, however, comes with a 7 percent boost in the clubhead’s moment of inertia, or its stability on off-center hits. New Ping i200 iron uses 30 percent thinner face and elastomer insert to fuel forgiveness and feel - Golf Digest 2017-01-16T05:00:00Z He ended up with a driver that featured an adjustable center of gravity, adjustable moment of inertia and adjustable head weight. Triton named winner of Wilson's "Driver vs. Driver" Golf Channel reality show - Golf Digest 2016-11-23T05:00:00Z There are several other examples of objects that increase their rate of spin because something reduced their moment of inertia. College Physics for AP Courses 2015-08-12T00:00:00Z It’s all part of a measured approach to the idea of adjustable weight so that the system doesn’t negatively affect the clubhead’s moment of inertia, or off-center hit stability. New Titleist 917 metalwoods add adjustable sole weight - Golf Digest 2016-09-08T04:00:00Z “So maintaining a high moment of inertia in that axis is critical.” Callaway's Big Bertha Fusion goes all in on forgiveness - Golf Digest 2016-08-30T04:00:00Z “We kept the moment of inertia over 4,000 and we felt what little we gave up there was more than made up for with the adjustability.” Mizuno Ups Its Game with debut of JPX-900 Woods - Golf Digest 2016-08-29T04:00:00Z Additionally, the large head and higher moment of inertia on a driver provides more forgiveness on mis-hits. Why your swing speed should determine hitting driver or 3-wood - Golf Digest 2016-07-03T04:00:00Z The moment of inertia I of an object is the sum of MR2 for all the point masses of which it is composed. College Physics for AP Courses 2015-08-12T00:00:00Z The driver features the same turbulator crown elements to improve aerodynamic efficiency, as well as a similar emphasis on high moment of inertia for stability on off-center hits. Ping boosts G30's long game, adds new short-game clubs, too: The Loop 2013-10-16T04:00:00Z The Vapor Speed features a larger footprint and a slightly higher moment of inertia than McIlroy’s previously debuted Vapor Pro. Nike's Vapor drivers move in new direction: The Loop 2013-10-16T04:00:00Z By using aluminum, Cameron was able to hollow the area under the soleplate, moving the weight to the wings to create additional moment of inertia, which adds stability and increases performance on mis-hits. Scotty Cameron wings it with new Futura X5: The Loop 2013-10-16T04:00:00Z Stone says the value of increased moment of inertia for increased stability isn’t just for average hacks. Titleist's sole groove is central to new metalwoods: The Loop 2013-10-16T04:00:00Z What is the moment of inertia of the boxer's forearm? College Physics for AP Courses 2015-08-12T00:00:00Z This moment of inertia is defined by their mass and the volume that the mass occupies. Quantum Computing Simplified 2012-09-25T15:15:03.423Z The CG movement also affects the clubhead’s moment of inertia, which is a measurement of its resistance to twisting on off-center hits. Nike's Vapor drivers move in new direction: The Loop 2013-10-16T04:00:00Z Each rod is loaded with a piece of lead at each end to give it more moment of inertia about the wire. Lord Kelvin An account of his scientific life and work 2012-04-06T02:00:32.097Z We saw also a planimeter, which not only calculated mechanically the area of a figure, but gave also its center of gravity, moment of inertia, etc. Scientific American, Vol. XLIII.?No. 1. [New Series.], July 3, 1880 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:30.823Z Mathematical expressions for the moments of inertia will be provided where needed. College Physics for AP Courses 2015-08-12T00:00:00Z This is the mixture of the moment of inertia and angular velocity. Quantum Computing Simplified 2012-09-25T15:15:03.423Z But μ can be found from the time of vibration of the torsion system when we know its moment of inertia I, and this can be determined. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 4 "Grasshopper" to "Greek Language" 2011-11-28T03:00:19.517Z Sliding weights attached to the bar enable its moment of inertia to be changed at pleasure. Lord Kelvin An account of his scientific life and work 2012-04-06T02:00:32.097Z And for the third point, a problem is not real to a pupil simply because it relates to moments of inertia or the tensile strength of a steel bar. The Teaching of Geometry 2011-10-12T02:00:52.133Z Because of the distance r , the moment of inertia for any object depends on the chosen axis. College Physics for AP Courses 2015-08-12T00:00:00Z In this case the moment of inertia of the movable system must be decreased or the control strengthened. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z For if the rod be halved the moment of inertia is one-fourth, and if the suspending fibre is made finer so that the torsion couple per radian is also one-fourth the time remains the same. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 4 "Grasshopper" to "Greek Language" 2011-11-28T03:00:19.517Z There’s a shadow graph test and another test for checking the club’s moment of inertia. Testing Everything Because You'll Try Anything 2010-07-19T03:24:00Z The high moment of inertia of the coil makes the period of swing slow compared with the period of alternation of the current, and the slight periodic disturbances are thus prevented from affecting the galvanometer. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 8 "Conduction, Electric" As we would expect, an object that has a large moment of inertia I , such as Earth, has a very large angular momentum. College Physics for AP Courses 2015-08-12T00:00:00Z Single needles are never used, two being the least number, and these so arranged that the moment of inertia about every diameter of the card shall be the same. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 7 "Columbus" to "Condottiere" In the case of these pendulums, accurate computations are made of the moments of inertia of every separate individual part. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" The moment of inertia of the ship must be constantly calculated against the moment of inertia of the hydraulic mass flowing in the rim. Where I Wasn't Going We would emphasize here the dynamic definition of moment of inertia, I ═ Fh/a rather than the one so frequently given importance for computational purposes, Σmr2. College Teaching Studies in Methods of Teaching in the College The quantity mr 2 is called the rotational inertia or moment of inertia of a point mass m a distance r from the center of rotation. College Physics for AP Courses 2015-08-12T00:00:00Z I = moment of inertia of cross-section. b = breadth of lumber. h = depth of lumber. Concrete Construction Methods and Costs But the integral gives the moment of inertia I of the area A about the axis XX. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" If the two materials are disposed symmetrically, the amount of load carried by each would be in direct proportion to the coefficient of elasticity and inversely as the moment of inertia of the cross section. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The deformation of the abutment, due to deficiency in its moment of inertia, is a theoretical trifle which might very aptly be minutely considered by the elastic arch theorist. Some Mooted Questions in Reinforced Concrete Design American Society of Civil Engineers, Transactions, Paper No. 1169, Volume LXX, Dec. 1910 To expand our concept of rotational inertia, we define the moment of inertia I of an object to be the sum of mr 2 for all the point masses of which it is composed. College Physics for AP Courses 2015-08-12T00:00:00Z When the order of colours is in the same direction as the rotation, it indicates that the axis of the instrument is that of greatest moment of inertia. 4thly. Five of Maxwell's Papers Why is the moment of inertia of a spherical shell that has a mass M and a radius R greater than that of a solid sphere that has the same mass and radius? College Physics for AP Courses 2015-08-12T00:00:00Z It is usually accurate enough in deflection calculations to take for I the moment of inertia at the centre of the beam and to consider it constant for the length of the beam. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Figure 10.38 A motorcycle wheel has a moment of inertia approximately that of an annular ring. College Physics for AP Courses 2015-08-12T00:00:00Z A hoop's moment of inertia around its axis is therefore MR2 , where M is its total mass and R its radius. College Physics for AP Courses 2015-08-12T00:00:00Z What is the moment of inertia of an object that rolls without slipping down a 2.00-m-high incline starting from rest, and has a final velocity of 6.00 m/s? College Physics for AP Courses 2015-08-12T00:00:00Z Express the moment of inertia as a multiple of MR2 , where M is the mass of the object and R is its radius. College Physics for AP Courses 2015-08-12T00:00:00Z It increases by 0.1 N•m multiplied by the moment of inertia of the wood. College Physics for AP Courses 2015-08-12T00:00:00Z It decreases by 0.1 N•m multiplied by the moment of inertia of the wood. College Physics for AP Courses 2015-08-12T00:00:00Z The total I is four times this moment of inertia, because there are four blades. College Physics for AP Courses 2015-08-12T00:00:00Z |
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