--- title: whyyy do my hands get warm when i rub em, is it magic — Friction: the grip that stops and helps · tree and pragmatics description: whyyy do my hands get warm when i rub em, is it magic Test 1 of lesson 6 «Friction: the grip that stops and helps» 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. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/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/) / [Physics](https://md.mova.elamur.ai/free/en/corpora/questions/physics/) / [Friction: the grip that stops and helps](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/) / t1 # Test 1 · Friction: the grip that stops and helps whyyy do my hands get warm when i rub em, is it magic **Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** hands, i, whyyy · **What happens:** do, get, rub, be · **To what, where:** em This is test 1 of lesson 6 «Friction: the grip that stops and helps» 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/6-friction-the-grip/#t1). ## The question {#question} ```conllu # sent_id = question:physics:6-friction-the-grip:t1:1 # text = whyyy do my hands get warm when i rub em, is it magic 1 whyyy whyyy ADJ JJ Degree=Pos 14 nsubj _ _ 2 do do VERB VB Mood=Imp|VerbForm=Fin 1 parataxis _ _ 3 my my PRON PRP$ Case=Gen|Number=Sing|Person=1|Poss=Yes|PronType=Prs 4 nmod:poss _ _ 4 hands hand NOUN NNS Number=Plur 5 nsubj _ _ 5 get get VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 2 parataxis _ _ 6 warm warm ADJ JJ Degree=Pos 5 xcomp _ _ 7 when when SCONJ WRB _ 9 mark _ _ 8 i I PRON PRP Case=Nom|Number=Sing|Person=1|PronType=Prs 9 nsubj _ _ 9 rub rub VERB VBP Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin 5 advcl _ _ 10 em em NOUN NN Number=Sing 9 obj _ SpaceAfter=No 11 , , PUNCT , _ 9 punct _ _ 12 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 14 cop _ _ 13 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 14 nsubj _ _ 14 magic magic ADJ JJ Degree=Pos 0 root _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **do** | infinitive | | | | | | | vn act-114-1 «NP V»: agent=Agent | | 2 | **get** | present | my hands | | | | | warm *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer | | 3 | **rub** | present | i | em | | | | | vn spray-9.7-1 «NP V NP.theme»: agent=Agent em=Theme | | 4 | **is** | present | whyyy | | | | | magic *property* | 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. ## The options {#options} ### Option 1 {#o1} Yes, rubbing makes your hands a bit magnetic ```conllu # sent_id = question:physics:6-friction-the-grip:t1:o1:1 # text = Yes, rubbing makes your hands a bit magnetic 1 Yes yes INTJ UH Polarity=Pos 3 discourse _ SpaceAfter=No 2 , , PUNCT , _ 1 punct _ _ 3 rubbing rub VERB VBG Tense=Pres|VerbForm=Part 4 nsubj _ _ 4 makes make VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 5 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 6 nmod:poss _ _ 6 hands hand NOUN NNS Number=Plur 4 obj _ _ 7 a a DET DT Definite=Ind|PronType=Art 8 det _ _ 8 bit bit NOUN NN Number=Sing 9 obl:unmarked _ _ 9 magnetic magnetic ADJ JJ Degree=Pos 4 xcomp _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **rub** | gerund | | | | | | | vn spray-9.7-1 «NP V PP.destination»: agent=Theme | | 2 | **make** | present | | your hands | | | | magnetic *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset hand=Product | ### Option 2 {#o2} Your hands catch the room's heat ```conllu # sent_id = question:physics:6-friction-the-grip:t1:o2:1 # text = Your hands catch the room's heat 1 Your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 2 nmod:poss _ _ 2 hands hand NOUN NNS Number=Plur 3 nsubj _ _ 3 catch catch 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 room room NOUN NN Number=Sing 7 nmod:poss _ SpaceAfter=No 6 's 's PART POS _ 5 case _ _ 7 heat heat NOUN NN Number=Sing 3 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **catch** | present | Your hands | the room's heat | | | | | vn get-13.5.1 «NP V NP»: agent=Agent heat=Theme | | 2 | **heat** | | the room | | | | | | nom heat «phenomenon intransitive»: poss=agent | ### Option 3 {#o3} Your blood boils a little ```conllu # sent_id = question:physics:6-friction-the-grip:t1:o3:1 # text = Your blood boils a little 1 Your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 2 nmod:poss _ _ 2 blood blood NOUN NN Number=Sing 3 nsubj _ _ 3 boils boil VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 a a DET DT Definite=Ind|PronType=Art 5 det _ _ 5 little little ADJ JJ Degree=Pos 3 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **boil** | present | Your blood | a little | | | | | vn cooking-45.3 «NP.instrument V NP»: agent=Instrument little=Patient | ### Option 4 · ← Mova's choice · ✓ the right answer {#o4} No, friction turns the rubbing into heat ```conllu # sent_id = question:physics:6-friction-the-grip:t1:o4:1 # text = No, friction turns the rubbing into heat 1 No no INTJ UH Polarity=Neg 4 discourse _ SpaceAfter=No 2 , , PUNCT , _ 4 punct _ _ 3 friction friction NOUN NN Number=Sing 4 nsubj _ _ 4 turns turn VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 5 the the DET DT Definite=Def|PronType=Art 6 det _ _ 6 rubbing rubbing NOUN NN Number=Sing 4 obj _ _ 7 into into ADP IN _ 8 case _ _ 8 heat heat NOUN NN Number=Sing 4 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **turn** | present | friction | the rubbing | | heat | | | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent rubbing=Theme into heat=Trajectory | **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: [Pushes and pulls all around us, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/5-pushes-and-pulls-all-around-us/e4/) - next →: [Friction: the grip that stops and helps, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t2/) - ↑ back to [Friction: the grip that stops and helps](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/)