---
title: Rockets work in the same way, pushing hot gas out of the back so tha… — Pushes and pulls: what makes things move and stop · tree and pragmatics
description: Rockets work in the same way, pushing hot gas out of the back so that the gas pushes them forward. Who acts: Rockets, gas. 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 tree and the pragmatics of every 
---

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# Pushes and pulls: what makes things move and stop, sentence 16

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Rockets work in the same way, pushing hot gas out of the back so that the gas pushes them forward.

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**Who acts:** Rockets, gas · **What happens:** work, push · **To what, where:** hot gas, back, Rockets

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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 (Rockets, gas), 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:16
# text = Rockets work in the same way, pushing hot gas out of the back so that the gas pushes them forward.
# 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): R5-strong ×3, R7-rel-agree ×1
1	Rockets	rocket	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	work	work	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	in	in	ADP	IN	_	6	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
5	same	same	ADJ	JJ	Degree=Pos	6	amod	_	_
6	way	way	NOUN	NN	Number=Sing	2	obl	_	_
7	,	,	PUNCT	,	_	8	punct	_	_
8	pushing	push	VERB	VBG	VerbForm=Ger	2	advcl	_	Agree=R5-strong|Haiku=6:acl
9	hot	hot	ADJ	JJ	Degree=Pos	10	amod	_	_
10	gas	gas	NOUN	NN	Number=Sing	8	obj	_	_
11	out	out	ADP	IN	_	14	case	_	_
12	of	of	ADP	IN	_	14	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	back	back	NOUN	NN	Number=Sing	8	obl	_	_
15	so	so	SCONJ	IN	_	19	mark	_	Agree=R7-rel-agree|Haiku=19:advmod|HaikuPos=ADV:RB:_
16	that	that	SCONJ	IN	_	19	mark	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	Agree=R5-strong|Haiku=19:det
18	gas	gas	NOUN	NN	Number=Sing	19	nsubj	_	_
19	pushes	push	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	advcl	_	Agree=R5-strong|Haiku=2:advcl
20	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	19	obj	_	_
21	forward	forward	ADV	RB	_	19	advmod	_	_
22	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **work** | present | Rockets |  |  |  |  | in the same way | vn employment-95.3 «NP V PP.theme»: agent=Agent in way=Theme |
| 2 | **push** | gerund | Rockets *not said here* | hot gas |  | the back |  |  | vn funnel-9.3-1-1 «NP V NP PP.trajectory»: agent=Agent gas=Theme out back=Trajectory |
| 3 | **push** | present | the gas | Rockets *= rocket* |  |  |  | forward *property* | vn carry-11.4-1-1 «NP V NP»: agent=Agent they=Theme |

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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:004-pushes-and-pulls-move-and-stop.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): R5-strong ×3, 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/).

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- ← previous: [Pushes and pulls: what makes things mo…, 15](https://md.mova.elamur.ai/free/en/corpora/school/physics/4-pushes-and-pulls-move-and-stop/15/)
- next →: [Pushes and pulls all around us, 0](https://md.mova.elamur.ai/free/en/corpora/school/physics/5-pushes-and-pulls-all-around-us/0/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/4-pushes-and-pulls-move-and-stop/)