--- title: Nothing stops "by itself": a rolling ball slows down because the gra… — Pushes and pulls: what makes things move and stop · tree and pragmatics description: Nothing stops "by itself": a rolling ball slows down because the grass and the air keep pushing against it a little. Who acts: Nothing, rolling ball, grass. A sentence of the lesson «Pushes and pulls: what makes things move and stop» of the physics course of Mova's primary school with its dependency --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/4-pushes-and-pulls-move-and-stop/2/) [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/) / [Pushes and pulls: what makes things mo…](https://md.mova.elamur.ai/free/en/corpora/school/physics/4-pushes-and-pulls-move-and-stop/) / 2 # Pushes and pulls: what makes things move and stop, sentence 2 Nothing stops "by itself": a rolling ball slows down because the grass and the air keep pushing against it a little. **Who acts:** Nothing, rolling ball, grass · **What happens:** stop, roll, slow down, keep, push · **To what, where:** little This is a sentence of the lesson «Pushes and pulls: what makes things move and stop» 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 (Nothing, rolling ball, grass), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:physics:004-pushes-and-pulls-move-and-stop.lesson:2 # text = Nothing stops "by itself": a rolling ball slows down because the grass and the air keep pushing against it a little. # source = school lesson (ours) # course = physics # lesson = 004-pushes-and-pulls-move-and-stop.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): R6-punct-agree ×2, R7-rel-agree ×2, R8-pos-agree ×1 1 Nothing nothing PRON NN Number=Sing|PronType=Neg 2 nsubj _ _ 2 stops stop VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 " " PUNCT `` _ 5 punct _ Agree=R6-punct-agree|Haiku=2:punct 4 by by ADP IN _ 5 case _ _ 5 itself itself PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Emp|Reflex=Yes 2 obl _ _ 6 " " PUNCT '' _ 5 punct _ Agree=R6-punct-agree|Haiku=11:punct 7 : : PUNCT : _ 11 punct _ _ 8 a a DET DT Definite=Ind|PronType=Art 10 det _ _ 9 rolling roll VERB VBG VerbForm=Ger 10 amod _ Agree=R8-pos-agree|Haiku=10:amod|HaikuPos=ADJ:JJ:Degree=Pos 10 ball ball NOUN NN Number=Sing 11 nsubj _ _ 11 slows slow VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 2 parataxis _ Agree=R7-rel-agree|Haiku=2:conj 12 down down ADP RP _ 11 compound:prt _ Agree=R7-rel-agree|Haiku=11:advmod|HaikuPos=ADV:RB:_ 13 because because SCONJ IN _ 19 mark _ _ 14 the the DET DT Definite=Def|PronType=Art 15 det _ _ 15 grass grass NOUN NN Number=Sing 19 nsubj _ _ 16 and and CCONJ CC _ 18 cc _ _ 17 the the DET DT Definite=Def|PronType=Art 18 det _ _ 18 air air NOUN NN Number=Sing 15 conj _ _ 19 keep keep VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 11 advcl _ _ 20 pushing push VERB VBG VerbForm=Ger 19 xcomp _ _ 21 against against ADP IN _ 22 case _ _ 22 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 20 obl _ _ 23 a a DET DT Definite=Ind|PronType=Art 24 det _ _ 24 little little ADJ JJ Degree=Pos 20 obl:unmarked _ _ 25 . . PUNCT . _ 2 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 | **stop** | present | Nothing | | | | | by kick | vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality | | 2 | **roll** | gerund | | | | | | | vn run-51.3.2-2 «NP V»: agent=Theme | | 3 | **slow down** | present | a rolling ball | | | | | | vn other\_cos-45.4 «NP.patient V»: agent=Patient | | 4 | **keep** | present | the grass and the air | | | | | | tree rules | | 5 | **push** | gerund | the grass and the air *not said here* | a little | | | | against kick | vn push-12-1-1 «NP V PP-Conative»: agent=Agent against it=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:004-pushes-and-pulls-move-and-stop.lesson:2`. **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): R6-punct-agree ×2, R7-rel-agree ×2, 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: [Pushes and pulls: what makes things mo…, 1](https://md.mova.elamur.ai/free/en/corpora/school/physics/4-pushes-and-pulls-move-and-stop/1/) - next →: [Pushes and pulls: what makes things mo…, 3](https://md.mova.elamur.ai/free/en/corpora/school/physics/4-pushes-and-pulls-move-and-stop/3/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/4-pushes-and-pulls-move-and-stop/)