--- title: A cyclist stops pedalling on a flat road. Why does the bicycle slowl… — Forces — pushes, pulls, friction and m… · tree and pragmatics description: A cyclist stops pedalling on a flat road. Why does the bicycle slowly stop? Test 1 of lesson 51 «Forces — pushes, pulls, friction and magnets» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/world/51-forces/t1/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [World](https://md.mova.elamur.ai/free/en/corpora/questions/world/) / [Forces — pushes, pulls, friction and m…](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/) / t1 # Test 1 · Forces — pushes, pulls, friction and magnets A cyclist stops pedalling on a flat road. Why does the bicycle slowly stop? **Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** cyclist, bicycle · **What happens:** stop, pedall · **To what, where:** flat road This is test 1 of lesson 51 «Forces — pushes, pulls, friction and magnets» of the world 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/world/51-forces/#t1). ## The question {#question} *Sentence 1:* A cyclist stops pedalling on a flat road. ```conllu # sent_id = question:world:51-forces:t1:1 # text = A cyclist stops pedalling on a flat road. 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 cyclist cyclist NOUN NN Number=Sing 3 nsubj _ _ 3 stops stop VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 pedalling pedall VERB VBG VerbForm=Ger 3 xcomp _ _ 5 on on ADP IN _ 8 case _ _ 6 a a DET DT Definite=Ind|PronType=Art 8 det _ _ 7 flat flat ADJ JJ Degree=Pos 8 amod _ _ 8 road road NOUN NN Number=Sing 4 obl _ SpaceAfter=No 9 . . PUNCT . _ 3 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **stop** | present | a cyclist | | | | | | vn stop-55.4-1-1 «NP V S\_ING»: agent=Affector clause=Eventuality | | 2 | **pedall** | gerund | a cyclist *not said here* | | | a flat road | | | tree rules | 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. *Sentence 2:* Why does the bicycle slowly stop? ```conllu # sent_id = question:world:51-forces:t1:2 # text = Why does the bicycle slowly stop? 1 Why why ADV WRB PronType=Int 6 advmod _ _ 2 does do AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 6 aux _ _ 3 the the DET DT Definite=Def|PronType=Art 4 det _ _ 4 bicycle bicycle NOUN NN Number=Sing 6 nsubj _ _ 5 slowly slowly ADV RB _ 6 advmod _ _ 6 stop stop VERB VB VerbForm=Inf 0 root _ SpaceAfter=No 7 ? ? PUNCT . _ 6 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **stop** | present · do-support | the bicycle | | | | | slowly *property* | vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality | ## The options {#options} ### Option 1 · ← Mova's choice {#o1} The road attracts it like a magnet ```conllu # sent_id = question:world:51-forces:t1:o1:1 # text = The road attracts it like a magnet 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 road road NOUN NN Number=Sing 3 nsubj _ _ 3 attracts attract VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 3 obj _ _ 5 like like ADP IN _ 7 case _ _ 6 a a DET DT Definite=Ind|PronType=Art 7 det _ _ 7 magnet magnet NOUN NN Number=Sing 3 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **attract** | present | the road | it | | | | like a magnet | vn lure-59.3 «NP V NP»: agent=Agent it=Patient | ### Option 2 {#o2} The bicycle runs out of energy inside it ```conllu # sent_id = question:world:51-forces:t1:o2:1 # text = The bicycle runs out of energy inside it 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 bicycle bicycle NOUN NN Number=Sing 3 nsubj _ _ 3 runs run VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 out out ADP IN _ 6 case _ _ 5 of of ADP IN _ 6 case _ _ 6 energy energy NOUN NN Number=Sing 3 obl _ _ 7 inside inside ADP IN _ 8 case _ _ 8 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 3 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **run** | present | the bicycle | | | energy | | inside energy | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme out energy=Trajectory | ### Option 3 {#o3} Gravity pulls it backwards along the road ```conllu # sent_id = question:world:51-forces:t1:o3:1 # text = Gravity pulls it backwards along the road 1 Gravity gravity NOUN NN Number=Sing 2 nsubj _ _ 2 pulls pull VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 2 obj _ _ 4 backwards backwards ADV RB _ 2 advmod _ _ 5 along along ADP IN _ 7 case _ _ 6 the the DET DT Definite=Def|PronType=Art 7 det _ _ 7 road road NOUN NN Number=Sing 2 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **pull** | present | Gravity | it | | | | along the road; backwards *property* | vn push-12-1 «NP V NP»: agent=Agent it=Theme | ### Option 4 · ✓ the right answer {#o4} Friction and air resistance slow it down ```conllu # sent_id = question:world:51-forces:t1:o4:1 # text = Friction and air resistance slow it down 1 Friction friction NOUN NN Number=Sing 5 nsubj _ _ 2 and and CCONJ CC _ 4 cc _ _ 3 air air NOUN NN Number=Sing 4 compound _ _ 4 resistance resistance NOUN NN Number=Sing 1 conj _ _ 5 slow slow VERB VB VerbForm=Inf 0 root _ _ 6 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 5 obj _ _ 7 down down ADP RP _ 5 compound:prt _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **slow down** | infinitive | Friction and air resistance | resistance | | | | | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent it=Patient | **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. - ← previous: [Thinking like a geographer: rivers, mo…, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/world/50-why-the-earth-is-so/e4/) - next →: [Forces — pushes, pulls, friction and m…, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t2/) - ↑ back to [Forces — pushes, pulls, friction and magnets](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/)