---
title: A wheel and axle turns a small force on a big wheel into a stronger… — Simple machines and how they help · tree and pragmatics
description: A wheel and axle turns a small force on a big wheel into a stronger turn on the thin axle. Who acts: wheel. A sentence of the lesson «Simple machines and how they help» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Simple machines and how they help, sentence 15

<!-- .ven lang=en -->
A wheel and axle turns a small force on a big wheel into a stronger turn on the thin axle.

<!-- .vintro -->
**Who acts:** wheel · **What happens:** turn · **To what, where:** small force, big wheel

<!-- .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), 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:15
# text = A wheel and axle turns a small force on a big wheel into a stronger turn on the thin axle.
# 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): no change
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	wheel	wheel	NOUN	NN	Number=Sing	5	nsubj	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	axle	axle	NOUN	NN	Number=Sing	2	conj	_	_
5	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	small	small	ADJ	JJ	Degree=Pos	8	amod	_	_
8	force	force	NOUN	NN	Number=Sing	5	obj	_	_
9	on	on	ADP	IN	_	12	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	big	big	ADJ	JJ	Degree=Pos	12	amod	_	_
12	wheel	wheel	NOUN	NN	Number=Sing	8	nmod	_	_
13	into	into	ADP	IN	_	16	case	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
15	stronger	strong	ADJ	JJR	Degree=Cmp	16	amod	_	_
16	turn	turn	NOUN	NN	Number=Sing	5	obl	_	_
17	on	on	ADP	IN	_	20	case	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	20	det	_	_
19	thin	thin	ADJ	JJ	Degree=Pos	20	amod	_	_
20	axle	axle	NOUN	NN	Number=Sing	16	nmod	_	_
21	.	.	PUNCT	.	_	5	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 | **turn** | present | a wheel and axle | a small force |  | a big wheel |  | into a stronger turn on the thin axle | vn roll-51.3.1 «NP.agent V NP.theme PP.source PP.trajectory PP.destination»: agent=Agent force=Theme into turn=Source on wheel=Trajectory |

<!-- .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: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): 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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