---
title: Forces — pushes, pulls, friction and magnets — the lesson's questions with trees and pragmatics · World
description: The 17 test and exam questions of lesson 51 «Forces — pushes, pulls, friction and magnets» of the world 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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# Forces — pushes, pulls, friction and magnets

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The 17 questions of lesson 51 «Forces — pushes, pulls, friction and magnets» of the world course of Mova's primary school with their options, 90 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/world/51-forces/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t1/) — A cyclist stops pedalling on a flat road. Why does the bicycle slowly stop? — wrong ✗
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t2/) — Why do football boots have studs on the sole? — wrong ✗
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t3/) — Two magnets lie on a table and slide away from each other when brought close. What must be facing each other? — wrong ✗
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t4/) — You have a mixture of iron nails and sand. What is the easiest way to separate them? — wrong ✗
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t5/) — Which is true about friction? — right ✓
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t6/) — Why do people put oil on a squeaky bicycle chain? — right ✓
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t7/) — You squeeze a lump of clay and it becomes flat. What did the force do? — right ✓
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t8/) — If there were no friction at all, what would happen when you tried to walk? — wrong ✗
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t9/) — Which of these does a magnet NOT attract? — wrong ✗
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t10/) — why's the floor so slippy after mopping — right ✓
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t11/) — tried to stick a magnet on a coke can, didnt work, why — wrong ✗
- [t12](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t12/) — my brother says heavy things fall cos the air pushes them down. true? — right ✓
- [t13](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/t13/) — Mia reckons two north poles of magnets stick together. right? — right ✓
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/e1/) — Which of the following statements most accurately characterises the phenomenon designated as friction? — right ✓ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/e2/) — It is given that a sledge is propelled with equal force across ice and across grass. Identify the principal reason for its greater displacement upon the ice. — wrong ✗ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/e3/) — Select the response that is consistent with the established facts concerning the interaction of two magnets whose like poles are placed in proximity. — wrong ✗ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/world/51-forces/e4/) — Whereas a magnet is applied in turn to the objects hereinafter enumerated, determine which object shall be attracted thereto. — wrong ✗ · exam

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