ath":"/gcse/physics/edexcel/moments-levers-and-gears/questions","formulaUrl":null,"initialIndex":66,"initialQuestionWindow":[{"id":"b6f492d2-4352-47af-b354-39e6cee52beb","revisionId":"e65624a5-73cd-49be-973e-b77c8375cb1f","questionNumber":null,"questionType":"LA","specification":"Figure 1 shows a force of 120 N being applied to a spanner to turn a nut about pivot point O.\n\n![Diagram showing a horizontal spanner attached to a nut at pivot point O. A distance of 0.15 m is shown between pivot O and the end of the spanner where a downward vertical force of 120 N is applied.](https://assets.mathsgenie.co.uk/aqa-qb/a106cc37-c5e4-439e-b96f-93bae7987674.png)","difficulty":3,"difficultyBand":"easy","totalMarks":3,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"87840f1e-43a8-4cab-9dc8-d7f230c3805d","label":null,"content":"Calculate the moment of the 120 N force about point O.\n\nState the unit.\n\nUse the equation:\n$$\\text{moment} = \\text{force} \\times \\text{distance}$$","markscheme":"- Substitutes values into the moment equation: $120 \\times 0.15$ M1\n- Calculates the value of the moment as $18$ A1\n- States the unit as $\\text{N m}$ (or $\\text{Nm}$ / Newton metres) B1","marks":3,"order":0,"markingRubric":null,"explanation":{"methods":[{"id":"calculate_moment","label":"Calculate the moment","steps":[{"type":"text","order":0,"title":"Identify the values","content":"From the diagram, the force is $120\\ \\text{N}$ and the perpendicular distance from pivot $O$ is $0.15\\ \\text{m}$.","highlights":[{"text":"A distance of 0.15 m is shown","location":"specification"}]},{"type":"hyper_latex","block":{"nodes":[{"latex":"\\text{moment}=\\text{force}\\times\\text{distance}"},{"latex":"\\text{moment}=\\htmlData{anchor=force}{120\\ \\text{N}}\\times\\htmlData{anchor=distance}{0.15\\ \\text{m}}"},{"latex":"\\text{moment}=\\htmlData{anchor=answer}{18\\ \\text{N m}}"}],"highlights":[{"color":"green","style":"box","anchor":"answer"}]},"order":1,"title":"Substitute the values","description":"Put the force and its perpendicular distance into the given equation. M1: writing 120 x 0.15 earns the substitution mark. A1: multiplying gives 18. B1: the unit is N m."}]}],"generatedAt":"2026-07-22T09:29:28.893Z","modelVersion":"gpt-5.6-terra+diagrams-1","explanationVersion":"v3"},"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"bcd7cfbe-6579-47d4-ad27-1ff74f42a0e7","revisionId":"0bfed1b7-6bd3-49f0-8d0f-8ba41a05adb7","questionNumber":null,"questionType":"LA","specification":"Figure 1 shows a hand-operated lever system being pressed down.\n\n![Figure 1](https://assets.mathsgenie.co.uk/aqa-qb/dc68c6c2-19bb-40a0-92f7-a048f054dc34.png)","difficulty":3,"difficultyBand":"easy","totalMarks":2,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"23df2d07-0f38-4c66-b5b1-f82a5db99c2a","label":null,"content":"Calculate the moment of the $35.0\\text{ N}$ force about the pivot.\n\nUse the equation:\n$$\\text{moment} = \\text{force} \\times \\text{perpendicular distance of force from pivot}$$","markscheme":"- Substitutes the correct values into the moment equation: $35.0 \\times 0.64$ M1\n- Calculates the correct moment of $22.4\\text{ N m}$ (or $\\text{N}\\cdot\\text{m}$) A1","marks":2,"order":0,"markingRubric":null,"explanation":{"methods":[{"id":"moment_calculation","label":"Calculate the moment","steps":[{"type":"text","order":0,"title":"Identify the distances","content":"Use the supplied diagram. The force is vertical, so the **perpendicular distance** is the horizontal distance from the pivot to the force’s line of action: $0.64\\text{ m}$. The force is $35.0\\text{ N}$.","highlights":[{"text":"perpendicular distance of force from pivot","location":"specification"}]},{"type":"hyper_latex","block":{"nodes":[{"latex":"\\text{moment}=\\text{force}\\times\\text{perpendicular distance}"},{"latex":"\\text{moment}=\\htmlData{anchor=force}{35.0\\text{ N}}\\times\\htmlData{anchor=distance}{0.64\\text{ m}}"}],"highlights":[{"color":"sky","anchor

Moments, levers and gears

Question 41

Moments, levers and gears Questions

Moments, levers and gears

Question 41

Moments, levers and gears Questions