---
title: Kai reckons a heavy kid on a swing goes back and forth faster than a… — Olympiad: forces, floating and machine… · tree and pragmatics
description: Kai reckons a heavy kid on a swing goes back and forth faster than a light kid on the same swing. Right? Test 7 · ★★★ of lesson 42 «Olympiad: forces, floating and machines ★★★» of the physics course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option;
---

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# Test 7 · ★★★ · Olympiad: forces, floating and machines ★★★

<!-- .ven lang=en -->
Kai reckons a heavy kid on a swing goes back and forth faster than a light kid on the same swing. Right?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** Kai, swing · **What happens:** reckon, go back · **To what, where:** heavy kid

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This is test 7 · ★★★ of lesson 42 «Olympiad: forces, floating and 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/42-olympiad-forces-floating-and-machines/#t7).

## The question {#question}

<!-- .note -->
*Sentence 1:* Kai reckons a heavy kid on a swing goes back and forth faster than a light kid on the same swing.

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t7:1
# text = Kai reckons a heavy kid on a swing goes back and forth faster than a light kid on the same swing.
1	Kai	Kai	PROPN	NNP	Number=Sing	2	nsubj	_	_
2	reckons	reckon	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	heavy	heavy	ADJ	JJ	Degree=Pos	5	amod	_	_
5	kid	kid	NOUN	NN	Number=Sing	2	obj	_	_
6	on	on	SCONJ	IN	_	9	mark	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	swing	swing	NOUN	NN	Number=Sing	9	nsubj	_	_
9	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
10	back	back	ADV	RB	_	9	advmod	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	forth	forth	ADV	RB	_	10	conj	_	_
13	faster	fast	ADJ	JJR	Degree=Cmp	9	advmod	_	_
14	than	than	ADP	IN	_	17	case	_	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	17	det	_	_
16	light	light	NOUN	NN	Number=Sing	17	compound	_	_
17	kid	kid	NOUN	NN	Number=Sing	13	obl	_	_
18	on	on	ADP	IN	_	21	case	_	_
19	the	the	DET	DT	Definite=Def|PronType=Art	21	det	_	_
20	same	same	ADJ	JJ	Degree=Pos	21	amod	_	_
21	swing	swing	NOUN	NN	Number=Sing	17	nmod	_	SpaceAfter=No
22	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reckon** | present | Kai | a heavy kid |  |  |  |  | vn consider-29.9-1 «NP V NP PP.attribute»: agent=Agent kid=Attribute |
| 2 | **go back** | present | a swing |  |  |  |  |  | vn convert-26.6.2 «NP V S\_ING»: agent=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:* Right?

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t7:2
# text = Right?
1	Right	right	INTJ	UH	_	0	root	_	SpaceAfter=No
2	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Yes, but only on long swings

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t7:o1:1
# text = Yes, but only on long swings
1	Yes	yes	INTJ	UH	Polarity=Pos	7	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	but	but	CCONJ	CC	_	7	cc	_	_
4	only	only	ADV	RB	_	7	advmod	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	long	long	ADJ	JJ	Degree=Pos	7	amod	_	_
7	swings	swing	NOUN	NNS	Number=Plur	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 {#o2}

<!-- .ven lang=en -->
No, the heavy kid is slower

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t7:o2:1
# text = No, the heavy kid is slower
1	No	no	INTJ	UH	Polarity=Neg	7	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	heavy	heavy	ADJ	JJ	Degree=Pos	5	amod	_	_
5	kid	kid	NOUN	NN	Number=Sing	7	nsubj	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
7	slower	slow	ADJ	JJR	Degree=Cmp	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the heavy kid |  |  |  |  | slow *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Yes, heavy kids swing faster

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t7:o3:1
# text = Yes, heavy kids swing faster
1	Yes	yes	INTJ	UH	Polarity=Pos	5	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	5	punct	_	_
3	heavy	heavy	ADJ	JJ	Degree=Pos	4	amod	_	_
4	kids	kid	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	swing	swing	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	faster	fast	ADV	RBR	Degree=Cmp	5	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **swing** | present | heavy kids |  |  |  |  | fast *property* | vn calibratable\_cos-45.6.1-1 «NP.attribute V»: agent=Attribute |

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

<!-- .ven lang=en -->
No, they take the same time

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t7:o4:1
# text = No, they take the same time
1	No	no	INTJ	UH	Polarity=Neg	4	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	4	nsubj	_	_
4	take	take	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	same	same	ADJ	JJ	Degree=Pos	7	amod	_	_
7	time	time	NOUN	NN	Number=Sing	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **take** | present | they |  |  |  | time |  | vn bring-11.3 «NP V NP»: agent=Agent |

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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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- ↑ back to [Olympiad: forces, floating and machines ★★★](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/)