---
title: In Newton's cradle, swing one ball in and one flies out the other si… — Swings and pendulums · tree and pragmatics
description: In Newton's cradle, swing one ball in and one flies out the other side, swing two in and two fly out, because the knock passes through the still balls. Who acts: you, one, two, knock. A sentence of the lesson «Swings and pendulums» of the physics course of Mova's primary school with its dependency t
---

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# Swings and pendulums, sentence 15

<!-- .ven lang=en -->
In Newton's cradle, swing one ball in and one flies out the other side, swing two in and two fly out, because the knock passes through the still balls.

<!-- .vintro -->
**Who acts:** you, one, two, knock · **What happens:** swing, fly out, pass · **To what, where:** one ball, cradle, other side, two, still balls

<!-- .vabout -->
This is a sentence of the lesson «Swings and pendulums» 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 (you, one, two, knock), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:010-swings-and-pendulums.lesson:15
# text = In Newton's cradle, swing one ball in and one flies out the other side, swing two in and two fly out, because the knock passes through the still balls.
# source = school lesson (ours)
# course = physics
# lesson = 010-swings-and-pendulums.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 ×1, R7-rel-agree ×1
1	In	in	ADP	IN	_	4	case	_	_
2	Newton	Newton	PROPN	NNP	Number=Sing	4	nmod:poss	_	_
3	's	's	PART	POS	_	2	case	_	_
4	cradle	cradle	NOUN	NN	Number=Sing	6	obl	_	_
5	,	,	PUNCT	,	_	4	punct	_	_
6	swing	swing	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
7	one	one	NUM	CD	NumForm=Word|NumType=Card	8	nummod	_	_
8	ball	ball	NOUN	NN	Number=Sing	6	obj	_	_
9	in	in	ADV	RB	_	6	advmod	_	Agree=R5-strong|Haiku=8:advmod
10	and	and	CCONJ	CC	_	12	cc	_	_
11	one	one	NUM	CD	NumForm=Word|NumType=Card	12	nsubj	_	_
12	flies	fly	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	conj	_	Agree=R7-rel-agree|Haiku=6:advcl
13	out	out	ADP	RP	_	12	compound:prt	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
15	other	other	ADJ	JJ	Degree=Pos	16	amod	_	_
16	side	side	NOUN	NN	Number=Sing	12	obj	_	_
17	,	,	PUNCT	,	_	18	punct	_	_
18	swing	swing	VERB	VB	Mood=Imp|VerbForm=Fin	6	conj	_	_
19	two	two	NUM	CD	NumForm=Word|NumType=Card	18	obj	_	_
20	in	in	ADV	RB	_	18	advmod	_	_
21	and	and	CCONJ	CC	_	23	cc	_	_
22	two	two	NUM	CD	NumForm=Word|NumType=Card	23	nsubj	_	_
23	fly	fly	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	18	conj	_	_
24	out	out	ADP	RP	_	23	compound:prt	_	_
25	,	,	PUNCT	,	_	29	punct	_	_
26	because	because	SCONJ	IN	_	29	mark	_	_
27	the	the	DET	DT	Definite=Def|PronType=Art	28	det	_	_
28	knock	knock	NOUN	NN	Number=Sing	29	nsubj	_	_
29	passes	pass	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	advcl	_	_
30	through	through	ADP	IN	_	33	case	_	_
31	the	the	DET	DT	Definite=Def|PronType=Art	33	det	_	_
32	still	still	ADJ	JJ	_	33	amod	_	_
33	balls	ball	NOUN	NNS	Number=Plur	29	obl	_	_
34	.	.	PUNCT	.	_	6	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **swing** | imperative | you *not said here* | one ball |  | Newton's cradle |  |  | vn spatial\_configuration-47.6-1 «NP V NP.theme PP»: agent=Agent ball=Theme in cradle=Location |
| 2 | **fly out** | present | one | the other side |  |  |  |  | vn spatial\_configuration-47.6-1 «PP.location V NP»: agent=Location side=Theme |
| 3 | **swing** | infinitive | you *not said here* | two |  |  |  |  | vn roll-51.3.1 «NP V NP.theme»: agent=Agent two=Theme |
| 4 | **fly out** | present | two |  |  |  |  |  | vn spatial\_configuration-47.6-1 «NP V»: agent=Theme |
| 5 | **pass** | present | the knock |  |  | the still balls |  |  | vn occur-48.3-1 «NP V PP»: agent=Theme through ball=Location |

<!-- .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:010-swings-and-pendulums.lesson:15`.

**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 ×1, R7-rel-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/).

<!-- /div -->

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