---
title: You tape a balloon to a straw on a string and let it go. What happens? — Pushes and pulls: what makes things mo… · tree and pragmatics
description: You tape a balloon to a straw on a string and let it go. What happens? Test 3 of lesson 4 «Pushes and pulls: what makes things move and stop» 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 was right.
---

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# Test 3 · Pushes and pulls: what makes things move and stop

<!-- .ven lang=en -->
You tape a balloon to a straw on a string and let it go. What happens?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** You, balloon · **What happens:** tape, let, go, happen · **To what, where:** balloon, string

<!-- .vabout -->
This is test 3 of lesson 4 «Pushes and pulls: what makes things move and stop» 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/4-pushes-and-pulls-move-and-stop/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* You tape a balloon to a straw on a string and let it go.

```conllu
# sent_id = question:physics:4-pushes-and-pulls-move-and-stop:t3:1
# text = You tape a balloon to a straw on a string and let it go.
1	You	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	2	nsubj	_	_
2	tape	tape	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	balloon	balloon	NOUN	NN	Number=Sing	2	obj	_	_
5	to	to	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	straw	straw	NOUN	NN	Number=Sing	2	obl	_	_
8	on	on	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	string	string	NOUN	NN	Number=Sing	2	obl	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	let	let	VERB	VB	VerbForm=Inf	2	conj	_	_
13	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	12	obj	_	_
14	go	go	VERB	VB	VerbForm=Inf	12	xcomp	_	SpaceAfter=No
15	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **tape** | present | You | a balloon |  | a string |  | to a straw | vn tape-22.4 «NP V NP PP.co-patient»: agent=Agent balloon=Patient to straw=Co-Patient |
| 2 | **let** | infinitive | You *not said here* | balloon |  |  |  |  | tree rules |
| 3 | **go** | infinitive | balloon *not said here* |  |  |  |  |  | vn disappearance-48.2-1 «NP 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.

<!-- .note -->
*Sentence 2:* What happens?

```conllu
# sent_id = question:physics:4-pushes-and-pulls-move-and-stop:t3:2
# text = What happens?
1	What	what	PRON	WP	PronType=Int	2	nsubj	_	_
2	happens	happen	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	SpaceAfter=No
3	?	?	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | present |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |

## The options {#options}

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

<!-- .ven lang=en -->
It zooms along the string like a little rocket

```conllu
# sent_id = question:physics:4-pushes-and-pulls-move-and-stop:t3:o1:1
# text = It zooms along the string like a little rocket
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	zooms	zoom	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	along	along	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	string	string	NOUN	NN	Number=Sing	2	obl	_	_
6	like	like	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	little	little	ADJ	JJ	Degree=Pos	9	amod	_	_
9	rocket	rocket	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **zoom** | present | It |  |  | the string |  | like a little rocket | vn run-51.3.2 «NP V PP.location»: agent=Theme along string=Trajectory |

### Option 2 {#o2}

<!-- .ven lang=en -->
It floats up off the string

```conllu
# sent_id = question:physics:4-pushes-and-pulls-move-and-stop:t3:o2:1
# text = It floats up off the string
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	up	up	ADP	RP	_	2	compound:prt	_	_
4	off	off	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	string	string	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float up** | present | It |  |  | the string |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme off string=Trajectory |

### Option 3 {#o3}

<!-- .ven lang=en -->
It slides straight back towards you along the string

```conllu
# sent_id = question:physics:4-pushes-and-pulls-move-and-stop:t3:o3:1
# text = It slides straight back towards you along the string
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	slides	slide	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	straight	straight	ADV	RB	_	4	advmod	_	_
4	back	back	ADV	RB	_	2	advmod	_	_
5	towards	towards	ADP	IN	_	6	case	_	_
6	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	2	obl	_	_
7	along	along	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	string	string	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **slide** | present | It |  |  | the string |  | towards you | vn roll-51.3.1 «NP.theme V PP.source PP.trajectory PP.destination»: agent=Theme towards you=Source along string=Trajectory |

### Option 4 {#o4}

<!-- .ven lang=en -->
It stays still on the string

```conllu
# sent_id = question:physics:4-pushes-and-pulls-move-and-stop:t3:o4:1
# text = It stays still on the string
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	stays	stay	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	still	still	ADV	RB	_	2	advmod	_	_
4	on	on	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	string	string	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stay** | present | It |  |  | the string | still |  | vn exist-47.1 «NP V PP.location»: agent=Theme on string=Location |

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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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- ← previous: [Pushes and pulls: what makes things mo…, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/4-pushes-and-pulls-move-and-stop/t2/)
- next →: [Pushes and pulls: what makes things mo…, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/4-pushes-and-pulls-move-and-stop/t4/)
- ↑ back to [Pushes and pulls: what makes things move and stop](https://md.mova.elamur.ai/free/en/corpora/questions/physics/4-pushes-and-pulls-move-and-stop/)