--- title: A curling stone slides far because smooth ice has very little fricti… — Rockets, record speeds and motion everywhere · tree and pragmatics description: A curling stone slides far because smooth ice has very little friction, and the sweepers smooth and warm the ice to make it glide further. Who acts: curling stone, smooth ice, sweepers, ice. A sentence of the lesson «Rockets, record speeds and motion everywhere» of the physics course of Mova's prima --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/38-rockets-record-speeds-and-motion-everywhere/16/) [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/) / [Rockets, record speeds and motion ever…](https://md.mova.elamur.ai/free/en/corpora/school/physics/38-rockets-record-speeds-and-motion-everywhere/) / 16 # Rockets, record speeds and motion everywhere, sentence 16 A curling stone slides far because smooth ice has very little friction, and the sweepers smooth and warm the ice to make it glide further. **Who acts:** curling stone, smooth ice, sweepers, ice · **What happens:** slide, have, smooth, warm, make, glide · **To what, where:** little friction, ice This is a sentence of the lesson «Rockets, record speeds and motion everywhere» 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 (curling stone, smooth ice, sweepers, ice), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:physics:038-rockets-record-speeds-and-motion-everywhere.lesson:16 # text = A curling stone slides far because smooth ice has very little friction, and the sweepers smooth and warm the ice to make it glide further. # source = school lesson (ours) # course = physics # lesson = 038-rockets-record-speeds-and-motion-everywhere.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): R7-rel-agree ×2 1 A a DET DT Definite=Ind|PronType=Art 3 det _ _ 2 curling curl NOUN NN Number=Sing 3 compound _ Agree=R7-rel-agree|Haiku=3:amod|HaikuPos=VERB:VBG:VerbForm=Ger 3 stone stone NOUN NN Number=Sing 4 nsubj _ _ 4 slides slide VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 5 far far ADV RB Degree=Pos 4 advmod _ _ 6 because because SCONJ IN _ 9 mark _ _ 7 smooth smooth ADJ JJ Degree=Pos 8 amod _ _ 8 ice ice NOUN NN Number=Sing 9 nsubj _ _ 9 has have VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 advcl _ _ 10 very very ADV RB _ 11 advmod _ _ 11 little little ADJ JJ Degree=Pos 12 amod _ _ 12 friction friction NOUN NN Number=Sing 9 obj _ _ 13 , , PUNCT , _ 17 punct _ _ 14 and and CCONJ CC _ 17 cc _ _ 15 the the DET DT Definite=Def|PronType=Art 16 det _ _ 16 sweepers sweeper NOUN NNS Number=Plur 17 nsubj _ _ 17 smooth smooth VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 4 conj _ Agree=R7-rel-agree|Haiku=4:parataxis 18 and and CCONJ CC _ 19 cc _ _ 19 warm warm VERB VB VerbForm=Inf 17 conj _ _ 20 the the DET DT Definite=Def|PronType=Art 21 det _ _ 21 ice ice NOUN NN Number=Sing 19 obj _ _ 22 to to PART TO _ 23 mark _ _ 23 make make VERB VB VerbForm=Inf 19 advcl _ _ 24 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 23 obj _ _ 25 glide glide VERB VB VerbForm=Inf 23 xcomp _ _ 26 further further ADV RB _ 25 advmod _ _ 27 . . PUNCT . _ 4 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 | **slide** | present | a curling stone | | | | | far *property* | vn run-51.3.2-2 «NP V»: agent=Theme | | 2 | **have** | present | smooth ice | little friction | | | | | vn birth-28.2-1 «NP V NP»: agent=Agent friction=Patient | | 3 | **smooth** | present | the sweepers | | | | | | vn other\_cos-45.4 «NP.patient V»: agent=Patient | | 4 | **warm** | infinitive | the sweepers *not said here* | the ice | | | | | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent ice=Patient | | 5 | **make** | to-infinitive | the sweepers *not said here* | ice | | | | | tree rules | | 6 | **glide** | infinitive | ice *not said here* | | | | | further *property* | vn run-51.3.2-2 «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:038-rockets-record-speeds-and-motion-everywhere.lesson:16`. **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): R7-rel-agree ×2. **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: [Rockets, record speeds and motion ever…, 15](https://md.mova.elamur.ai/free/en/corpora/school/physics/38-rockets-record-speeds-and-motion-everywhere/15/) - next →: [Rockets, record speeds and motion ever…, 17](https://md.mova.elamur.ai/free/en/corpora/school/physics/38-rockets-record-speeds-and-motion-everywhere/17/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/38-rockets-record-speeds-and-motion-everywhere/)