---
title: A wheel and axle is a big wheel fixed to a thin rod; turning the big… — Simple machines and how they help · tree and pragmatics
description: A wheel and axle is a big wheel fixed to a thin rod; turning the big wheel a long way turns the axle with a strong force, as in a door knob or a steering wheel. Who acts: wheel, turning. A sentence of the lesson «Simple machines and how they help» of the world course of Mova's primary school with it
---

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# Simple machines and how they help, sentence 6

<!-- .ven lang=en -->
A wheel and axle is a big wheel fixed to a thin rod; turning the big wheel a long way turns the axle with a strong force, as in a door knob or a steering wheel.

<!-- .vintro -->
**Who acts:** wheel, turning · **What happens:** be, fix, turn · **To what, where:** big wheel, axle

<!-- .vabout -->
This is a sentence of the lesson «Simple machines and how they help» of the world 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 (wheel, turning), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:052-simple-machines.lesson:6
# text = A wheel and axle is a big wheel fixed to a thin rod; turning the big wheel a long way turns the axle with a strong force, as in a door knob or a steering wheel.
# source = school lesson (ours)
# course = world
# lesson = 052-simple-machines.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	2	det	_	_
2	wheel	wheel	NOUN	NN	Number=Sing	8	nsubj	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	axle	axle	NOUN	NN	Number=Sing	2	conj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	big	big	ADJ	JJ	Degree=Pos	8	amod	_	_
8	wheel	wheel	NOUN	NN	Number=Sing	0	root	_	_
9	fixed	fix	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	acl	_	_
10	to	to	ADP	IN	_	13	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
12	thin	thin	ADJ	JJ	Degree=Pos	13	amod	_	_
13	rod	rod	NOUN	NN	Number=Sing	9	obl	_	_
14	;	;	PUNCT	:	_	22	punct	_	_
15	turning	turn	VERB	VBG	Tense=Pres|VerbForm=Part	22	csubj	_	Agree=R7-rel-agree|Haiku=22:nsubj
16	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
17	big	big	ADJ	JJ	Degree=Pos	18	amod	_	_
18	wheel	wheel	NOUN	NN	Number=Sing	15	obj	_	_
19	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
20	long	long	ADJ	JJ	Degree=Pos	21	amod	_	_
21	way	way	NOUN	NN	Number=Sing	15	obl:unmarked	_	_
22	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	parataxis	_	Agree=R7-rel-agree|Haiku=8:conj
23	the	the	DET	DT	Definite=Def|PronType=Art	24	det	_	_
24	axle	axle	NOUN	NN	Number=Sing	22	obj	_	_
25	with	with	ADP	IN	_	28	case	_	_
26	a	a	DET	DT	Definite=Ind|PronType=Art	28	det	_	_
27	strong	strong	ADJ	JJ	Degree=Pos	28	amod	_	_
28	force	force	NOUN	NN	Number=Sing	22	obl	_	_
29	,	,	PUNCT	,	_	34	punct	_	_
30	as	as	ADP	IN	_	34	case	_	_
31	in	in	ADP	IN	_	34	case	_	_
32	a	a	DET	DT	Definite=Ind|PronType=Art	34	det	_	_
33	door	door	NOUN	NN	Number=Sing	34	compound	_	_
34	knob	knob	NOUN	NN	Number=Sing	24	appos	_	_
35	or	or	CCONJ	CC	_	38	cc	_	_
36	a	a	DET	DT	Definite=Ind|PronType=Art	38	det	_	_
37	steering	steering	NOUN	NN	Number=Sing	38	compound	_	_
38	wheel	wheel	NOUN	NN	Number=Sing	34	conj	_	_
39	.	.	PUNCT	.	_	8	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 | **is a** | present | a wheel and axle | a big wheel |  |  |  |  | tree rules |
| 2 | **fix** | participle |  | a big wheel *not said here* |  |  |  | to a thin rod | vn shake-22.3-2 «NP V NP PP»: agent=Agent to rod=Co-Patient |
| 3 | **turn** | gerund |  | the big wheel |  |  |  | a long way *obl:unmarked* | vn roll-51.3.1 «NP V NP.theme»: agent=Agent wheel=Theme |
| 4 | **turn** | present | turning | the axle |  |  |  | with a strong force | vn roll-51.3.1 «NP V NP.theme»: agent=Agent axle=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:world:052-simple-machines.lesson:6`.

**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/).

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