---
title: A wobbly toy stands back up because its heavy weight sits low in its… — Balance: the centre of gravity · tree and pragmatics
description: A wobbly toy stands back up because its heavy weight sits low in its round base, and ships carry heavy weight low down for the same reason. Who acts: wobbly toy, heavy weight, ships. A sentence of the lesson «Balance: the centre of gravity» of the physics course of Mova's primary school with its dep
---

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# Balance: the centre of gravity, sentence 7

<!-- .ven lang=en -->
A wobbly toy stands back up because its heavy weight sits low in its round base, and ships carry heavy weight low down for the same reason.

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**Who acts:** wobbly toy, heavy weight, ships · **What happens:** stand up, sit, carry · **To what, where:** round base, heavy weight

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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 (wobbly toy, heavy weight, ships), 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:7
# text = A wobbly toy stands back up because its heavy weight sits low in its round base, and ships carry heavy weight low down for the same reason.
# 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): no change
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	wobbly	wobbly	ADJ	JJ	Degree=Pos	3	amod	_	_
3	toy	toy	NOUN	NN	Number=Sing	4	nsubj	_	_
4	stands	stand	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	back	back	ADV	RB	_	6	advmod	_	_
6	up	up	ADV	RB	_	4	compound:prt	_	_
7	because	because	SCONJ	IN	_	11	mark	_	_
8	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
9	heavy	heavy	ADJ	JJ	Degree=Pos	10	amod	_	_
10	weight	weight	NOUN	NN	Number=Sing	11	nsubj	_	_
11	sits	sit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	_
12	low	low	ADJ	JJ	Degree=Pos	11	xcomp	_	_
13	in	in	ADP	IN	_	16	case	_	_
14	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	16	nmod:poss	_	_
15	round	round	ADJ	JJ	Degree=Pos	16	amod	_	_
16	base	base	NOUN	NN	Number=Sing	11	obl	_	_
17	,	,	PUNCT	,	_	20	punct	_	_
18	and	and	CCONJ	CC	_	20	cc	_	_
19	ships	ship	NOUN	NNS	Number=Plur	20	nsubj	_	_
20	carry	carry	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
21	heavy	heavy	ADJ	JJ	Degree=Pos	22	amod	_	_
22	weight	weight	NOUN	NN	Number=Sing	20	obj	_	_
23	low	low	ADV	RB	Degree=Pos	24	advmod	_	_
24	down	down	ADV	RB	_	20	advmod	_	_
25	for	for	ADP	IN	_	28	case	_	_
26	the	the	DET	DT	Definite=Def|PronType=Art	28	det	_	_
27	same	same	ADJ	JJ	Degree=Pos	28	amod	_	_
28	reason	reason	NOUN	NN	Number=Sing	20	obl	_	_
29	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stand up** | present | a wobbly toy |  |  |  |  |  | vn assuming\_position-50 «NP V»: agent=Agent |
| 2 | **sit** | present | toy's heavy weight |  |  | toy's round base |  | low *property* | vn assuming\_position-50 «NP V PP.location»: agent=Agent in base=Location |
| 3 | **carry** | present | ships | heavy weight |  |  |  | for the same reason; down *property* | vn carry-11.4 «NP V NP»: agent=Agent weight=Theme |

<!-- .note -->
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.

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**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:7`.

**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): no change. **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/).

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