---
title: A puck slides a long way on ice because there is little friction to… — Pushes, pulls, friction and wheels · tree and pragmatics
description: A puck slides a long way on ice because there is little friction to slow it. Who acts: puck, little friction. A sentence of the lesson «Pushes, pulls, friction and wheels» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Pushes, pulls, friction and wheels, sentence 4

<!-- .ven lang=en -->
A puck slides a long way on ice because there is little friction to slow it.

<!-- .vintro -->
**Who acts:** puck, little friction · **What happens:** slide, be, slow · **To what, where:** long way, ice, friction

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This is a sentence of the lesson «Pushes, pulls, friction and wheels» 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 (puck, little friction), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:085-pushes-pulls-friction-wheels.lesson:4
# text = A puck slides a long way on ice because there is little friction to slow it.
# source = school lesson (ours)
# course = world
# lesson = 085-pushes-pulls-friction-wheels.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	puck	puck	NOUN	NN	Number=Sing	3	nsubj	_	_
3	slides	slide	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	long	long	ADJ	JJ	Degree=Pos	6	amod	_	_
6	way	way	NOUN	NN	Number=Sing	3	obl:unmarked	_	_
7	on	on	ADP	IN	_	8	case	_	_
8	ice	ice	NOUN	NN	Number=Sing	3	obl	_	_
9	because	because	SCONJ	IN	_	11	mark	_	_
10	there	there	PRON	EX	PronType=Dem	11	expl	_	_
11	is	be	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
12	little	little	ADJ	JJ	Degree=Pos	13	amod	_	_
13	friction	friction	NOUN	NN	Number=Sing	11	nsubj	_	_
14	to	to	PART	TO	_	15	mark	_	_
15	slow	slow	VERB	VB	VerbForm=Inf	13	acl	_	_
16	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	15	obj	_	_
17	.	.	PUNCT	.	_	3	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 | **slide** | present | a puck | a long way |  | ice |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme on ice=Trajectory |
| 2 | **be** | present | little friction |  |  | there |  |  | vn exist-47.1 «NP V»: agent=Theme |
| 3 | **slow** | to-infinitive | little friction *not said here* | friction |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent it=Patient |

<!-- .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:085-pushes-pulls-friction-wheels.lesson:4`.

**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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- ← previous: [Pushes, pulls, friction and wheels, 3](https://md.mova.elamur.ai/free/en/corpora/school/world/85-pushes-pulls-friction-wheels/3/)
- next →: [Pushes, pulls, friction and wheels, 6](https://md.mova.elamur.ai/free/en/corpora/school/world/85-pushes-pulls-friction-wheels/6/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/85-pushes-pulls-friction-wheels/)