---
title: A builder hooks his rope through four pulleys instead of one. Why do… — Pulleys, gears and big machines · tree and pragmatics
description: A builder hooks his rope through four pulleys instead of one. Why does he have to pull so much rope? Test 2 · ★★ of lesson 35 «Pulleys, gears and big machines» of the physics course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice wa
---

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# Test 2 · ★★ · Pulleys, gears and big machines

<!-- .ven lang=en -->
A builder hooks his rope through four pulleys instead of one. Why does he have to pull so much rope?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** builder · **What happens:** hook, have, pull · **To what, where:** rope, four pulleys, much rope

<!-- .vabout -->
This is test 2 · ★★ of lesson 35 «Pulleys, gears and big machines» of the physics course of Mova's primary school. 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/35-pulleys-gears-and-big-machines/#t2).

## The question {#question}

<!-- .note -->
*Sentence 1:* A builder hooks his rope through four pulleys instead of one.

```conllu
# sent_id = question:physics:35-pulleys-gears-and-big-machines:t2:1
# text = A builder hooks his rope through four pulleys instead of one.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	builder	builder	NOUN	NN	Number=Sing	3	nsubj	_	_
3	hooks	hook	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	rope	rope	NOUN	NN	Number=Sing	3	obj	_	_
6	through	through	ADP	IN	_	8	case	_	_
7	four	four	NUM	CD	NumForm=Word|NumType=Card	8	nummod	_	_
8	pulleys	pulley	NOUN	NNS	Number=Plur	3	obl	_	_
9	instead	instead	ADV	RB	ExtPos=ADP	11	case	_	_
10	of	of	ADP	IN	_	9	fixed	_	_
11	one	one	NUM	CD	NumForm=Word|NumType=Card	3	obl	_	SpaceAfter=No
12	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hook** | present | a builder | builder's rope |  | four pulleys |  | instead one | vn coil-9.6-1 «NP V NP PP.location»: agent=Agent rope=Theme through pulley=Destination |

<!-- .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:* Why does he have to pull so much rope?

```conllu
# sent_id = question:physics:35-pulleys-gears-and-big-machines:t2:2
# text = Why does he have to pull so much rope?
1	Why	why	ADV	WRB	PronType=Int	4	advmod	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
4	have	have	VERB	VB	VerbForm=Inf	0	root	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	pull	pull	VERB	VB	VerbForm=Inf	4	xcomp	_	_
7	so	so	ADV	RB	_	8	advmod	_	_
8	much	much	ADJ	JJ	Degree=Pos	9	amod	_	_
9	rope	rope	NOUN	NN	Number=Sing	6	obj	_	SpaceAfter=No
10	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present · do-support | builder |  |  |  |  |  | tree rules |
| 2 | **pull** | to-infinitive | builder *not said here* | much rope |  |  |  |  | vn push-12-1 «NP V NP»: agent=Agent rope=Theme |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
He is pulling the wrong end

```conllu
# sent_id = question:physics:35-pulleys-gears-and-big-machines:t2:o1:1
# text = He is pulling the wrong end
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	pulling	pull	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
5	wrong	wrong	ADJ	JJ	Degree=Pos	6	amod	_	_
6	end	end	NOUN	NN	Number=Sing	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pull** | present · progressive | He | the wrong end |  |  |  |  | vn push-12-1 «NP V NP»: agent=Agent end=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
The extra pulleys make the rope stretchy

```conllu
# sent_id = question:physics:35-pulleys-gears-and-big-machines:t2:o2:1
# text = The extra pulleys make the rope stretchy
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	extra	extra	ADJ	JJ	Degree=Pos	3	amod	_	_
3	pulleys	pulley	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	rope	rope	NOUN	NN	Number=Sing	4	obj	_	_
7	stretchy	stretchy	ADJ	JJ	Degree=Pos	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | the extra pulleys | the rope |  |  |  | stretchy *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset rope=Product |

### Option 3 {#o3}

<!-- .ven lang=en -->
Four pulleys make the load heavier, so he needs more rope

```conllu
# sent_id = question:physics:35-pulleys-gears-and-big-machines:t2:o3:1
# text = Four pulleys make the load heavier, so he needs more rope
1	Four	four	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	pulleys	pulley	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	load	load	NOUN	NN	Number=Sing	3	obj	_	_
6	heavier	heavy	ADJ	JJR	Degree=Cmp	3	xcomp	_	SpaceAfter=No
7	,	,	PUNCT	,	_	10	punct	_	_
8	so	so	ADV	RB	_	10	advmod	_	_
9	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	10	nsubj	_	_
10	needs	need	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
11	more	more	ADJ	JJR	Degree=Cmp	12	amod	_	_
12	rope	rope	NOUN	NN	Number=Sing	10	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Four pulleys | the load |  |  |  | heavy *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset load=Product |
| 2 | **need** | present | he | more rope |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot rope=Theme |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Less force means pulling over a longer distance

```conllu
# sent_id = question:physics:35-pulleys-gears-and-big-machines:t2:o4:1
# text = Less force means pulling over a longer distance
1	Less	less	ADJ	JJR	Degree=Cmp	2	amod	_	_
2	force	force	NOUN	NN	Number=Sing	3	nsubj	_	_
3	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	pulling	pull	VERB	VBG	VerbForm=Ger	3	xcomp	_	_
5	over	over	ADP	IN	_	8	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	longer	long	ADJ	JJR	Degree=Cmp	8	amod	_	_
8	distance	distance	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **mean** | present | Less force |  |  |  |  |  | vn intend-61.2-1 «NP V S»: agent=Agent clause=Topic |
| 2 | **pull** *not said to happen* | gerund | Less force *not said here* |  |  |  |  | over a longer distance | vn slide-11.2 «NP V»: agent=Theme |

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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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