---
title: Riding a bike: why it stays up — the lesson's questions with trees and pragmatics · Physics
description: The 15 test and exam questions of lesson 9 «Riding a bike: why it stays up» 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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# Riding a bike: why it stays up

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The 15 questions of lesson 9 «Riding a bike: why it stays up» of the physics course of Mova's primary school with their options, 80 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/9-riding-a-bike/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/t1/) — My friend says a bike stays up cos the wheels spin like a top. right? — right ✓ · ★★
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/t2/) — Riding no-hands down a busy road is fine if you're good, innit? — wrong ✗ · ★★
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/t3/) — You want to go fast on a flat road. Which gear? — wrong ✗ · ★★
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/t4/) — In a game a rider brakes hard with only the front brake on a steep hill and stops neatly. What would really happen? — right ✓ · ★★
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/t5/) — Which bike would be best for a muddy forest track? — wrong ✗ · ★★
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/t6/) — Why do people wobble so much on a bike at walking speed? — wrong ✗ · ★★
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/t7/) — A small wheel and a big wheel roll into the same stone. Which gets over it more easily? — right ✓ · ★★
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/t8/) — bro my bike fell over when i stopped at the lights. why — wrong ✗ · ★★
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/t9/) — What would happen if you leaned into a bend while going very slowly? — right ✓ · ★★
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/t10/) — Why do skilled riders sit back on steep downhill slopes? — wrong ✗ · ★★
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/t11/) — A tyre goes flat and the rim bumps on the road. Why did it feel hard before? — right ✓ · ★★
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/e1/) — Identify the principal means by which a cyclist maintains equilibrium upon a moving bicycle. — right ✓ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/e2/) — Which of the following statements most accurately characterises the effect of a low gear upon the ascent of a hill? — wrong ✗ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/e3/) — It is given that a cyclist applies the front brake alone and with great force. Ascertain the hazard thereby occasioned. — wrong ✗ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/9-riding-a-bike/e4/) — Determine the reason for which a stationary bicycle without support falls over. — wrong ✗ · exam

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