---
title: Friction: the grip that stops and helps — the lesson's questions with trees and pragmatics · Physics
description: The 15 test and exam questions of lesson 6 «Friction: the grip that stops and helps» of the physics course of Mova's primary school, each with its options, Mova's choice and the right answer, every sentence with its dependency tree and pragmatics.
---

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# Friction: the grip that stops and helps

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The 15 questions of lesson 6 «Friction: the grip that stops and helps» of the physics course of Mova's primary school with their options, 79 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/physics/6-friction-the-grip/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t1/) — whyyy do my hands get warm when i rub em, is it magic — right ✓
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t2/) — In a cartoon a boy brakes his bike hard in the rain and stops at once. What is closer to the truth? — right ✓
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t3/) — Why do climbers wear gloves when a rope runs through their hands? — right ✓
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t4/) — A heavy box will not slide across the carpet. What trick helps most? — right ✓
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t5/) — Why do drivers use low gears on long mountain roads? — right ✓
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t6/) — What would happen if you tried to stop quickly on a polished floor in socks? — wrong ✗
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t7/) — What is aquaplaning? — wrong ✗
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t8/) — Why are matches kept away from children? — wrong ✗
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t9/) — A hot sticky day, bare legs on a metal slide. What happens? — wrong ✗
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t10/) — Gran says brakes get hot cos the sun shines on them. right? — wrong ✗
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/t11/) — Which pair has the most friction? — wrong ✗
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/e1/) — Which of the following statements most accurately characterises the phenomenon designated friction? — wrong ✗ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/e2/) — Identify the principal reason for which the brakes of a bicycle are rendered less effective in wet conditions. — wrong ✗ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/e3/) — It is given that a cyclist descends a long hill with the brakes applied. Ascertain the form into which the energy of motion so lost is principally converted. — wrong ✗ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/6-friction-the-grip/e4/) — Determine the reason for which sand is distributed upon icy footpaths. — wrong ✗ · exam

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