--- title: Identify the principal function of a single fixed pulley. — Pulleys, gears and big machines · tree and pragmatics description: Identify the principal function of a single fixed pulley. Exam question 1 of lesson 35 «Pulleys, gears and big machines» 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 wrong. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/physics/35-pulleys-gears-and-big-machines/e1/) [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/) / [Pulleys, gears and big machines](https://md.mova.elamur.ai/free/en/corpora/questions/physics/35-pulleys-gears-and-big-machines/) / e1 # Exam question 1 · Pulleys, gears and big machines Identify the principal function of a single fixed pulley. **Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you · **What happens:** identify, fix · **To what, where:** principal function This is exam question 1 of lesson 35 «Pulleys, gears and big machines» of the physics course of Mova's primary school, asked in stiff, formal language. 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/35-pulleys-gears-and-big-machines/#e1). ## The question {#question} ```conllu # sent_id = question:physics:35-pulleys-gears-and-big-machines:e1:1 # text = Identify the principal function of a single fixed pulley. 1 Identify identify VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 2 the the DET DT Definite=Def|PronType=Art 4 det _ _ 3 principal principal ADJ JJ Degree=Pos 4 amod _ _ 4 function function NOUN NN Number=Sing 1 obj _ _ 5 of of ADP IN _ 9 case _ _ 6 a a DET DT Definite=Ind|PronType=Art 9 det _ _ 7 single single ADJ JJ Degree=Pos 9 amod _ _ 8 fixed fix VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 9 amod _ _ 9 pulley pulley NOUN NN Number=Sing 4 nmod _ SpaceAfter=No 10 . . PUNCT . _ 1 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **identify** | imperative | you *not said here* | the principal function of a single fixed pulley | | | | | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent function=Theme | | 2 | **fix** | participle | | | | | | | vn shake-22.3-2 «NP V ADV-Middle»: agent=Patient | 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 · ← Mova's choice {#o1} To increase the energy which is available to the operator ```conllu # sent_id = question:physics:35-pulleys-gears-and-big-machines:e1:o1:1 # text = To increase the energy which is available to the operator 1 To to PART TO _ 2 mark _ _ 2 increase increase VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 3 the the DET DT Definite=Def|PronType=Art 4 det _ _ 4 energy energy NOUN NN Number=Sing 2 obj _ _ 5 which which PRON WDT PronType=Rel 7 nsubj _ _ 6 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 7 cop _ _ 7 available available ADJ JJ Degree=Pos 4 acl:relcl _ _ 8 to to ADP IN _ 10 case _ _ 9 the the DET DT Definite=Def|PronType=Art 10 det _ _ 10 operator operator NOUN NN Number=Sing 7 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **increase** | to-infinitive | | the energy | | | | | vn caused\_calibratable\_cos-45.6.2-1 «NP V NP.patient»: agent=Causer energy=Patient | | 2 | **is** | present | the energy | | | | | to the operator; available *property* | tree rules | ### Option 2 {#o2} To reduce the mass of the load ```conllu # sent_id = question:physics:35-pulleys-gears-and-big-machines:e1:o2:1 # text = To reduce the mass of the load 1 To to PART TO _ 2 mark _ _ 2 reduce reduce VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 3 the the DET DT Definite=Def|PronType=Art 4 det _ _ 4 mass mass NOUN NN Number=Sing 2 obj _ _ 5 of of ADP IN _ 7 case _ _ 6 the the DET DT Definite=Def|PronType=Art 7 det _ _ 7 load load NOUN NN Number=Sing 4 nmod _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **reduce** | to-infinitive | | the mass of the load | | | | | vn limit-76 «NP V NP»: agent=Causer mass=Patient | ### Option 3 {#o3} To prevent the rope from stretching ```conllu # sent_id = question:physics:35-pulleys-gears-and-big-machines:e1:o3:1 # text = To prevent the rope from stretching 1 To to PART TO _ 2 mark _ _ 2 prevent prevent VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 3 the the DET DT Definite=Def|PronType=Art 4 det _ _ 4 rope rope NOUN NN Number=Sing 2 obj _ _ 5 from from SCONJ IN _ 6 mark _ _ 6 stretching stretch VERB VBG Tense=Pres|VerbForm=Part 2 advcl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **prevent** | to-infinitive | | the rope | | | | | vn forbid-64.4-1 «NP V NP»: agent=Causer rope=Theme | | 2 | **stretch** | gerund | | | | | | | vn bend-45.2 «NP.patient V»: agent=Patient | ### Option 4 · ✓ the right answer {#o4} To alter the direction in which a force is applied ```conllu # sent_id = question:physics:35-pulleys-gears-and-big-machines:e1:o4:1 # text = To alter the direction in which a force is applied 1 To to PART TO _ 2 mark _ _ 2 alter alter VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 3 the the DET DT Definite=Def|PronType=Art 4 det _ _ 4 direction direction NOUN NN Number=Sing 2 obj _ _ 5 in in ADP IN _ 6 case _ _ 6 which which PRON WDT PronType=Rel 10 obl _ _ 7 a a DET DT Definite=Ind|PronType=Art 8 det _ _ 8 force force NOUN NN Number=Sing 10 nsubj:pass _ _ 9 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 10 aux:pass _ _ 10 applied apply VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 4 acl:relcl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **alter** | to-infinitive | | the direction | | | | | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent direction=Patient | | 2 | **apply** | present · passive | | a force | | the direction | | | vn put-9.1-1 «NP V NP PP.destination»: subject=Theme in which=Destination | **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: [Pulleys, gears and big machines, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/physics/35-pulleys-gears-and-big-machines/t11/) - next →: [Pulleys, gears and big machines, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/35-pulleys-gears-and-big-machines/e2/) - ↑ back to [Pulleys, gears and big machines](https://md.mova.elamur.ai/free/en/corpora/questions/physics/35-pulleys-gears-and-big-machines/)