--- title: Maglev trains use strong magnets to float above the track and move a… — Magnets: pulling and pushing without touching · tree and pragmatics description: Maglev trains use strong magnets to float above the track and move along it; with no wheels touching, there is almost no friction. Who acts: Maglev trains, wheels, friction. A sentence of the lesson «Magnets: pulling and pushing without touching» of the physics course of Mova's primary school with i --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/29-magnets-pulling-and-pushing-without-touching/14/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Physics](https://md.mova.elamur.ai/free/en/corpora/school/physics/) / [Magnets: pulling and pushing without t…](https://md.mova.elamur.ai/free/en/corpora/school/physics/29-magnets-pulling-and-pushing-without-touching/) / 14 # Magnets: pulling and pushing without touching, sentence 14 Maglev trains use strong magnets to float above the track and move along it; with no wheels touching, there is almost no friction. **Who acts:** Maglev trains, wheels, friction · **What happens:** use, float, move, touch, be · **To what, where:** strong magnets, track, magnet This is a sentence of the lesson «Magnets: pulling and pushing without touching» of the physics course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Maglev trains, wheels, friction), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:physics:029-magnets-pulling-and-pushing-without-touching.lesson:14 # text = Maglev trains use strong magnets to float above the track and move along it; with no wheels touching, there is almost no friction. # source = school lesson (ours) # course = physics # lesson = 029-magnets-pulling-and-pushing-without-touching.lesson # annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R1-cc-next ×1, R8-pos-agree ×1 1 Maglev maglev PROPN NNP Number=Sing 2 compound _ Agree=R8-pos-agree|Haiku=2:compound|HaikuPos=NOUN:NN:Number=Sing 2 trains train NOUN NNS Number=Plur 3 nsubj _ _ 3 use use VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 strong strong ADJ JJ Degree=Pos 5 amod _ _ 5 magnets magnet NOUN NNS Number=Plur 3 obj _ _ 6 to to PART TO _ 7 mark _ _ 7 float float VERB VB VerbForm=Inf 3 advcl _ _ 8 above above ADP IN _ 10 case _ _ 9 the the DET DT Definite=Def|PronType=Art 10 det _ _ 10 track track NOUN NN Number=Sing 7 obl _ _ 11 and and CCONJ CC _ 12 cc _ Agree=R1-cc-next|Haiku=7:cc 12 move move VERB VB VerbForm=Inf 7 conj _ _ 13 along along ADP IN _ 14 case _ _ 14 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 12 obl _ _ 15 ; ; PUNCT , _ 22 punct _ _ 16 with with SCONJ IN _ 19 mark _ _ 17 no no DET DT PronType=Neg 18 det _ _ 18 wheels wheel NOUN NNS Number=Plur 19 nsubj _ _ 19 touching touch VERB VBG Tense=Pres|VerbForm=Part 22 advcl _ _ 20 , , PUNCT , _ 19 punct _ _ 21 there there PRON EX PronType=Dem 22 expl _ _ 22 is be VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 parataxis _ _ 23 almost almost ADV RB _ 25 advmod _ _ 24 no no DET DT PronType=Neg 25 det _ _ 25 friction friction NOUN NN Number=Sing 22 nsubj _ _ 26 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **use** | present | Maglev trains | strong magnets | | | | | vn eat-39.1 «NP V NP»: agent=Agent magnet=Patient | | 2 | **float** | to-infinitive | Maglev trains *not said here* | | | the track | | | vn run-51.3.2-2 «NP V PP.location»: agent=Theme above track=Trajectory | | 3 | **move** | infinitive | Maglev trains *not said here* | | | magnet | | | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme along it=Trajectory | | 4 | **touch** | gerund | no wheels | | | | | | vn contiguous\_location-47.8-1 «NP V»: agent=Theme | | 5 | **be** | present | no friction | | | there | | | vn exist-47.1 «NP V»: agent=Theme | One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree. **Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:physics:029-magnets-pulling-and-pushing-without-touching.lesson:14`. **The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R1-cc-next ×1, R8-pos-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence. See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Magnets: pulling and pushing without t…, 12](https://md.mova.elamur.ai/free/en/corpora/school/physics/29-magnets-pulling-and-pushing-without-touching/12/) - next →: [Magnets: pulling and pushing without t…, 15](https://md.mova.elamur.ai/free/en/corpora/school/physics/29-magnets-pulling-and-pushing-without-touching/15/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/29-magnets-pulling-and-pushing-without-touching/)