--- title: Olympiad: forces, floating and machines ★★★ — the lesson's questions with trees and pragmatics · Physics description: The 15 test and exam questions of lesson 42 «Olympiad: forces, floating and machines ★★★» 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. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/) [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/) / Olympiad: forces, floating and machine… # Olympiad: forces, floating and machines ★★★ The 15 questions of lesson 42 «Olympiad: forces, floating and machines ★★★» of the physics course of Mova's primary school with their options, 88 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/42-olympiad-forces-floating-and-machines/). - [t1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t1/) — Jaz, from Yorkshire: "This box weighs a ton, I'm literally dying, our kid." What does he really mean? — wrong ✗ · ★★★ - [t2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t2/) — Jaz rigs up pulleys so that 4 lengths of rope hold the box. What changes for him? — wrong ✗ · ★★★ - [t3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t3/) — A cartoon astronaut on the Moon drops a hammer and a feather, and the feather drifts down slowly. Fix it. — right ✓ · ★★★ - [t4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t4/) — Lily, from Glasgow: "Ma wee brother's 20 kilos an' sits 3 metres oot on the seesaw. Ah'm 30. Where dae Ah sit?" ("wee" means little, "oot" means out.) — wrong ✗ · ★★★ - [t5](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t5/) — Gran: "Back in my day we lifted the shed with a long pole and a brick under it." Where should the brick go for the easiest lift? — wrong ✗ · ★★★ - [t6](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t6/) — "Big gear's got 24 teeth, no wait, 36, and the little one's got 12. Big one turns once, how many turns for the little un?" — wrong ✗ · ★★★ - [t7](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t7/) — Kai reckons a heavy kid on a swing goes back and forth faster than a light kid on the same swing. Right? — wrong ✗ · ★★★ - [t8](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t8/) — "lowkey my egg floated in the tap water, mum says it's fine to eat, no cap?" ("no cap" means no lie.) What's sensible? — wrong ✗ · ★★★ - [t9](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t9/) — Put these in order from easiest to hardest pull: the same sack held by 1 length of rope, by 2 lengths, by 4 lengths. — wrong ✗ · ★★★ - [t10](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t10/) — Four claims: ice floats on water, a steel ship floats, a clay boat floats, a clay ball floats. Which claim is false? — wrong ✗ · ★★★ - [t11](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t11/) — Ellie weighs 30 kilograms on scales in a lift, and for a moment they show 33. What is the lift doing? — right ✓ · ★★★ - [e1](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/e1/) — Determine the direction of rotation of the sixth gear in a row of meshing gears, the first of which rotates clockwise. — right ✓ · exam - [e2](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/e2/) — Ascertain the distance from the pivot at which a 40-kilogram child must sit to balance a 20-kilogram child seated 2 metres from it. — wrong ✗ · exam - [e3](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/e3/) — Select the statement which correctly describes a body of mass 1 kilogram carried to the Moon. — wrong ✗ · exam - [e4](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/e4/) — Identify the outcome when a vessel passes from fresh water into sea water. — right ✓ · exam - ← previous: [41. Alice's fall and her sizes: falling, the centre…](https://md.mova.elamur.ai/free/en/corpora/questions/physics/41-alice-s-fall-and-sizes-falling-the-centre-of-the-earth-giants-and-tiny-people/) - next →: [43. Olympiad: sound, light, heat, electricity and ma…](https://md.mova.elamur.ai/free/en/corpora/questions/physics/43-olympiad-sound-light-heat-and-magnets/) - ↑ back to [Physics](https://md.mova.elamur.ai/free/en/corpora/questions/physics/)