---
title: Your arm is a lever with the elbow as the pivot; the muscle pulls cl… — Levers: lifting heavy things with a little push · tree and pragmatics
description: Your arm is a lever with the elbow as the pivot; the muscle pulls close to the elbow, so it must pull hard, but the hand moves far and fast. Who acts: arm, muscle, hand. A sentence of the lesson «Levers: lifting heavy things with a little push» of the physics course of Mova's primary school with its
---

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# Levers: lifting heavy things with a little push, sentence 13

<!-- .ven lang=en -->
Your arm is a lever with the elbow as the pivot; the muscle pulls close to the elbow, so it must pull hard, but the hand moves far and fast.

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**Who acts:** arm, muscle, hand · **What happens:** be, pull, move · **To what, where:** lever

<!-- .vabout -->
This is a sentence of the lesson «Levers: lifting heavy things with a little push» 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 (arm, muscle, hand), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:033-levers-lifting-heavy-things-with-a-little-push.lesson:13
# text = Your arm is a lever with the elbow as the pivot; the muscle pulls close to the elbow, so it must pull hard, but the hand moves far and fast.
# source = school lesson (ours)
# course = physics
# lesson = 033-levers-lifting-heavy-things-with-a-little-push.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, R8-pos-agree ×1
1	Your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	arm	arm	NOUN	NN	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	lever	lever	NOUN	NN	Number=Sing	0	root	_	_
6	with	with	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	elbow	elbow	NOUN	NN	Number=Sing	5	nmod	_	_
9	as	as	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	pivot	pivot	NOUN	NN	Number=Sing	8	nmod	_	_
12	;	;	PUNCT	,	_	15	punct	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	muscle	muscle	NOUN	NN	Number=Sing	15	nsubj	_	_
15	pulls	pull	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	parataxis	_	_
16	close	close	ADV	RB	Degree=Pos	15	advmod	_	_
17	to	to	ADP	IN	_	19	case	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
19	elbow	elbow	NOUN	NN	Number=Sing	16	obl	_	Agree=R5-strong|Haiku=15:obl
20	,	,	PUNCT	,	_	24	punct	_	_
21	so	so	ADV	RB	_	24	advmod	_	_
22	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	24	nsubj	_	_
23	must	must	AUX	MD	VerbForm=Fin	24	aux	_	_
24	pull	pull	VERB	VB	VerbForm=Inf	5	parataxis	_	_
25	hard	hard	ADV	RB	Degree=Pos	24	advmod	_	_
26	,	,	PUNCT	,	_	30	punct	_	_
27	but	but	CCONJ	CC	_	30	cc	_	_
28	the	the	DET	DT	Definite=Def|PronType=Art	29	det	_	_
29	hand	hand	NOUN	NN	Number=Sing	30	nsubj	_	_
30	moves	move	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	conj	_	_
31	far	far	ADV	RB	Degree=Pos	30	advmod	_	_
32	and	and	CCONJ	CC	_	33	cc	_	_
33	fast	fast	ADJ	JJ	Degree=Pos	31	conj	_	Agree=R8-pos-agree|Haiku=31:conj|HaikuPos=ADV:RB:Degree=Pos
34	.	.	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 | **is a** | present | Your arm | a lever |  |  |  | with the elbow as the pivot | tree rules |
| 2 | **pull** | present | the muscle |  |  |  |  | close *property* | vn slide-11.2 «NP V»: agent=Theme |
| 3 | **pull** | must | muscle |  |  |  |  | hard *property* | vn slide-11.2 «NP V»: agent=Theme |
| 4 | **move** | present | the hand |  |  |  |  | far *property* | vn roll-51.3.1 «NP.theme V»: agent=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:physics:033-levers-lifting-heavy-things-with-a-little-push.lesson:13`.

**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, R8-pos-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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