--- title: A ruler balances on your finger when your finger is right under its… — Balance: the centre of gravity · tree and pragmatics description: A ruler balances on your finger when your finger is right under its middle; a lump of clay on one end moves the balancing point towards the clay. Who acts: ruler, finger, lump. A sentence of the lesson «Balance: the centre of gravity» of the physics course of Mova's primary school with its dependenc --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/8-balance-the-centre-of-gravity/5/) [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/) / [Balance: the centre of gravity](https://md.mova.elamur.ai/free/en/corpora/school/physics/8-balance-the-centre-of-gravity/) / 5 # Balance: the centre of gravity, sentence 5 A ruler balances on your finger when your finger is right under its middle; a lump of clay on one end moves the balancing point towards the clay. **Who acts:** ruler, finger, lump · **What happens:** balance, be, move · **To what, where:** finger, middle, balancing point, clay This is a sentence of the lesson «Balance: the centre of gravity» 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 (ruler, finger, lump), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:physics:008-balance-the-centre-of-gravity.lesson:5 # text = A ruler balances on your finger when your finger is right under its middle; a lump of clay on one end moves the balancing point towards the clay. # source = school lesson (ours) # course = physics # lesson = 008-balance-the-centre-of-gravity.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): R5-strong ×2, R7-rel-agree ×2 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 ruler ruler NOUN NN Number=Sing 3 nsubj _ _ 3 balances balance VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 on on ADP IN _ 6 case _ _ 5 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 6 nmod:poss _ _ 6 finger finger NOUN NN Number=Sing 3 obl _ _ 7 when when ADV WRB PronType=Int 11 advmod _ _ 8 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 9 nmod:poss _ _ 9 finger finger NOUN NN Number=Sing 11 nsubj _ _ 10 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 11 cop _ _ 11 right right ADJ JJ Degree=Pos 3 advcl _ _ 12 under under ADP IN _ 14 case _ _ 13 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 14 nmod:poss _ _ 14 middle middle NOUN NN Number=Sing 11 obl _ _ 15 ; ; PUNCT , _ 23 punct _ _ 16 a a DET DT Definite=Ind|PronType=Art 17 det _ _ 17 lump lump NOUN NN Number=Sing 23 nsubj _ _ 18 of of ADP IN _ 19 case _ _ 19 clay clay NOUN NN Number=Sing 17 nmod _ _ 20 on on ADP IN _ 22 case _ _ 21 one one NUM CD NumForm=Word|NumType=Card 22 nummod _ _ 22 end end NOUN NN Number=Sing 17 nmod _ Agree=R5-strong|Haiku=19:nmod 23 moves move VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 parataxis _ Agree=R7-rel-agree|Haiku=3:conj 24 the the DET DT Definite=Def|PronType=Art 26 det _ _ 25 balancing balance NOUN NN Number=Sing 26 compound _ Agree=R7-rel-agree|Haiku=26:amod|HaikuPos=VERB:VBG:VerbForm=Ger 26 point point NOUN NN Number=Sing 23 obj _ _ 27 towards towards ADP IN _ 29 case _ _ 28 the the DET DT Definite=Def|PronType=Art 29 det _ _ 29 clay clay NOUN NN Number=Sing 23 obl _ Agree=R5-strong|Haiku=26:nmod 30 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **balance** | present | a ruler | | | your finger | | | vn spatial\_configuration-47.6-1 «NP V PP.location»: agent=Theme on finger=Location | | 2 | **is** | present | your finger | | | finger's middle | | right *property* | tree rules | | 3 | **move** | present | a lump of clay on one end | the balancing point | | the clay | | | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent point=Theme towards clay=Trajectory | 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:008-balance-the-centre-of-gravity.lesson:5`. **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): R5-strong ×2, 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: [Balance: the centre of gravity, 4](https://md.mova.elamur.ai/free/en/corpora/school/physics/8-balance-the-centre-of-gravity/4/) - next →: [Balance: the centre of gravity, 6](https://md.mova.elamur.ai/free/en/corpora/school/physics/8-balance-the-centre-of-gravity/6/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/8-balance-the-centre-of-gravity/)