---
title: A wedge, like an axe head or a door stop, is a ramp that turns one d… — Wheels, axles, ramps and screws · tree and pragmatics
description: A wedge, like an axe head or a door stop, is a ramp that turns one downward blow into strong sideways pushes. Who acts: wedge, ramp. A sentence of the lesson «Wheels, axles, ramps and screws» of the physics course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Wheels, axles, ramps and screws, sentence 3

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A wedge, like an axe head or a door stop, is a ramp that turns one downward blow into strong sideways pushes.

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**Who acts:** wedge, ramp · **What happens:** be, turn · **To what, where:** ramp, one downward blow, strong sideways pushes

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This is a sentence of the lesson «Wheels, axles, ramps and screws» 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 (wedge, ramp), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:034-wheels-axles-ramps-and-screws.lesson:3
# text = A wedge, like an axe head or a door stop, is a ramp that turns one downward blow into strong sideways pushes.
# source = school lesson (ours)
# course = physics
# lesson = 034-wheels-axles-ramps-and-screws.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	wedge	wedge	NOUN	NN	Number=Sing	15	nsubj	_	_
3	,	,	PUNCT	,	_	7	punct	_	_
4	like	like	ADP	IN	_	7	case	_	_
5	an	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	axe	axe	NOUN	NN	Number=Sing	7	compound	_	_
7	head	head	NOUN	NN	Number=Sing	2	appos	_	_
8	or	or	CCONJ	CC	_	11	cc	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	door	door	NOUN	NN	Number=Sing	11	compound	_	_
11	stop	stop	NOUN	NN	Number=Sing	7	conj	_	_
12	,	,	PUNCT	,	_	2	punct	_	_
13	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	cop	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
15	ramp	ramp	NOUN	NN	Number=Sing	0	root	_	_
16	that	that	PRON	WDT	PronType=Rel	17	nsubj	_	_
17	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	acl:relcl	_	_
18	one	one	NUM	CD	NumForm=Word|NumType=Card	20	nummod	_	_
19	downward	downward	ADJ	JJ	Degree=Pos	20	amod	_	_
20	blow	blow	NOUN	NN	Number=Sing	17	obj	_	_
21	into	into	ADP	IN	_	24	case	_	_
22	strong	strong	ADJ	JJ	Degree=Pos	24	amod	_	_
23	sideways	sideway	NOUN	NNS	Number=Plur	24	compound	_	_
24	pushes	push	NOUN	NNS	Number=Plur	17	obl	_	_
25	.	.	PUNCT	.	_	15	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 | **is a** | present | a wedge | a ramp |  |  |  |  | tree rules |
| 2 | **turn** | present | a ramp | one downward blow |  | strong sideways pushes |  |  | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent blow=Theme into push=Trajectory |

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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:034-wheels-axles-ramps-and-screws.lesson:3`.

**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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