---
title: It is given that the speed of a wind is doubled. Ascertain the appro… — Wind and weather · tree and pragmatics
description: It is given that the speed of a wind is doubled. Ascertain the approximate consequent alteration in the force it exerts. Exam question 3 of lesson 15 «Wind and weather» of the physics course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's 
---

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# Exam question 3 · Wind and weather

<!-- .ven lang=en -->
It is given that the speed of a wind is doubled. Ascertain the approximate consequent alteration in the force it exerts.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you, alteration · **What happens:** give, double, ascertain, exert · **To what, where:** It, speed, approximate consequent alteration, force

<!-- .vabout -->
This is exam question 3 of lesson 15 «Wind and weather» of the physics course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/physics/15-wind-and-weather/#e3).

## The question {#question}

<!-- .note -->
*Sentence 1:* It is given that the speed of a wind is doubled.

```conllu
# sent_id = question:physics:15-wind-and-weather:e3:1
# text = It is given that the speed of a wind is doubled.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	given	give	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	that	that	SCONJ	IN	_	11	mark	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	speed	speed	NOUN	NN	Number=Sing	11	nsubj:pass	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	wind	wind	NOUN	NN	Number=Sing	6	nmod	_	_
10	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	aux:pass	_	_
11	doubled	double	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl	_	SpaceAfter=No
12	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present · passive |  | It |  |  |  |  | vn give-13.1-1 «NP V NP»: subject=Theme |
| 2 | **double** | present · passive |  | the speed of a wind |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: subject=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.

<!-- .note -->
*Sentence 2:* Ascertain the approximate consequent alteration in the force it exerts.

```conllu
# sent_id = question:physics:15-wind-and-weather:e3:2
# text = Ascertain the approximate consequent alteration in the force it exerts.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
3	approximate	approximate	ADJ	JJ	Degree=Pos	5	amod	_	_
4	consequent	consequent	NOUN	NN	Number=Sing	5	compound	_	_
5	alteration	alteration	NOUN	NN	Number=Sing	1	obj	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	force	force	NOUN	NN	Number=Sing	1	obl	_	_
9	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	nsubj	_	_
10	exerts	exert	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	acl:relcl	_	SpaceAfter=No
11	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the approximate consequent alteration |  | the force |  |  | vn discover-84 «NP V NP»: agent=Agent alteration=Topic |
| 2 | **exert** | present | alteration | the force *not said here* |  |  |  |  | vn use-105.1 «NP V NP»: agent=Agent force=Theme |

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
The force is increased approximately fourfold

```conllu
# sent_id = question:physics:15-wind-and-weather:e3:o1:1
# text = The force is increased approximately fourfold
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	force	force	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	increased	increase	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	approximately	approximately	ADV	RB	_	6	advmod	_	_
6	fourfold	fourfold	ADJ	JJ	Degree=Pos	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **increase** | present · passive |  | the force |  |  |  | fourfold *property* | vn caused\_calibratable\_cos-45.6.2-1 «NP V NP.patient»: subject=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
The force is diminished to one half of its former value

```conllu
# sent_id = question:physics:15-wind-and-weather:e3:o2:1
# text = The force is diminished to one half of its former value
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	force	force	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	diminished	diminish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	to	to	ADP	IN	_	7	case	_	_
6	one	one	NUM	CD	NumForm=Word|NumType=Card	7	nummod	_	_
7	half	half	NOUN	NN	Number=Sing|NumForm=Word|NumType=Frac	4	obl	_	_
8	of	of	ADP	IN	_	11	case	_	_
9	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
10	former	former	ADJ	JJ	Degree=Pos	11	amod	_	_
11	value	value	NOUN	NN	Number=Sing	7	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **diminish** | present · passive |  | the force |  |  |  | to one half of force's former value *result* | vn caused\_calibratable\_cos-45.6.2-1 «NP.patient V NP.extent PP.initial\_state PP.result»: subject=Extent to half=Result |
| 2 | **value** |  | force |  |  |  |  |  | nom value «cognition transitive»: poss=agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
The force remains wholly unaltered by the change

```conllu
# sent_id = question:physics:15-wind-and-weather:e3:o3:1
# text = The force remains wholly unaltered by the change
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	force	force	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
3	remains	remain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux	_	_
4	wholly	wholly	ADV	RB	_	5	advmod	_	_
5	unaltered	unalter	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	by	by	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	change	change	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **unalter** | present · passive | the change | the force |  |  |  | wholly *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
The force is increased approximately twofold, and no more

```conllu
# sent_id = question:physics:15-wind-and-weather:e3:o4:1
# text = The force is increased approximately twofold, and no more
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	force	force	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	increased	increase	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	approximately	approximately	ADV	RB	_	6	advmod	_	_
6	twofold	twofold	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
7	,	,	PUNCT	,	_	10	punct	_	_
8	and	and	CCONJ	CC	_	10	cc	_	_
9	no	no	DET	DT	PronType=Neg	10	det	_	_
10	more	more	ADJ	JJR	Degree=Cmp	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **increase** | present · passive |  | the force |  |  |  | twofold *obl* | vn caused\_calibratable\_cos-45.6.2-1 «NP V NP.patient»: subject=Patient |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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