---
title: Heavier things press harder on the floor and so have more friction. — Friction: the grip that stops and helps · tree and pragmatics
description: Heavier things press harder on the floor and so have more friction. Who acts: Heavier things. A sentence of the lesson «Friction: the grip that stops and helps» of the physics course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Friction: the grip that stops and helps, sentence 17

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Heavier things press harder on the floor and so have more friction.

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**Who acts:** Heavier things · **What happens:** press, have · **To what, where:** more friction

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This is a sentence of the lesson «Friction: the grip that stops and helps» 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 (Heavier things), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:006-friction-the-grip.lesson:17
# text = Heavier things press harder on the floor and so have more friction.
# source = school lesson (ours)
# course = physics
# lesson = 006-friction-the-grip.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	Heavier	heavy	ADJ	JJR	Degree=Cmp	2	amod	_	_
2	things	thing	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	press	press	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	harder	hard	ADV	RBR	Degree=Cmp	3	advmod	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	floor	floor	NOUN	NN	Number=Sing	3	obl	_	_
8	and	and	CCONJ	CC	_	10	cc	_	_
9	so	so	ADV	RB	_	10	advmod	_	_
10	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
11	more	more	ADJ	JJR	Degree=Cmp	12	amod	_	_
12	friction	friction	NOUN	NN	Number=Sing	10	obj	_	_
13	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
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 | **press** | present | Heavier things |  |  |  |  | on the floor; hard *property* | vn push-12-1-1 «NP V PP-Conative»: agent=Agent on floor=Theme |
| 2 | **have** | present | Heavier things *not said here* | more friction |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent friction=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.

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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:006-friction-the-grip.lesson:17`.

**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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- ← previous: [Friction: the grip that stops and helps, 15](https://md.mova.elamur.ai/free/en/corpora/school/physics/6-friction-the-grip/15/)
- next →: [Living with friction: oil, wheels and…, 1](https://md.mova.elamur.ai/free/en/corpora/school/physics/7-living-with-friction/1/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/6-friction-the-grip/)