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[
{
"slide": 1,
"fragments": [
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"text_description": "Newton's Second Law\nWhere every push turns into speed.",
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{
"slide": 2,
"fragments": [
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"fragment_index": -1,
"text_description": "Feel the Push",
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"fragment_index": 1,
"text_description": "",
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"fragment_index": 2,
"text_description": "Everyday Force Example\nImagine pushing a loaded shopping cart.\nThe harder you push, the faster it moves; that push is a force.\nKey Points:\nStronger push → bigger speed change\nHeavier cart needs bigger push\nDaily pushes help us feel force",
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},
{
"slide": 3,
"fragments": [
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"fragment_index": -1,
"text_description": "Second Law: Words",
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{
"fragment_index": 1,
"text_description": "Newton’s Second Law",
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},
{
"fragment_index": 2,
"text_description": "Acceleration of an object is proportional to the net force applied and inversely proportional to its mass. More force → more acceleration; more mass → less acceleration for the same force.",
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}
]
},
{
"slide": 4,
"fragments": [
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"fragment_index": -1,
"text_description": "The Famous Formula",
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{
"fragment_index": 1,
"text_description": "\\[F = m \\times a\\]\nNewton squeezed the whole Second Law into this single line.",
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},
{
"fragment_index": 2,
"text_description": "Variable Definitions",
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},
{
"fragment_index": 3,
"text_description": "F\nForce (newton, N)",
"image_description": ""
},
{
"fragment_index": 4,
"text_description": "m\nMass (kilogram, kg)",
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},
{
"fragment_index": 5,
"text_description": "a\nAcceleration (m/s\n2\n)",
"image_description": ""
},
{
"fragment_index": 6,
"text_description": "Applications",
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},
{
"fragment_index": 7,
"text_description": "Pushing a cart\nMore force makes the cart speed up faster.",
"image_description": ""
},
{
"fragment_index": 8,
"text_description": "Light vs heavy ball\nWith the same push, a lighter ball gains greater acceleration.",
"image_description": ""
}
]
},
{
"slide": 5,
"fragments": [
{
"fragment_index": -1,
"text_description": "Force–Acceleration Graph",
"image_description": ""
},
{
"fragment_index": 1,
"text_description": "Graph for a 2 kg cart showing direct force–acceleration link.",
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{
"fragment_index": 2,
"text_description": "Straight Line Shows Direct Proportionality\nConsider a 2 kg cart pushed with varying forces.\nOn the Force (N) vs Acceleration (m/s²) graph, points lie on a straight line through the origin.",
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},
{
"fragment_index": 3,
"text_description": "Key Points:\nLine through origin ⇒ F ∝ a\nSlope of line = mass = 2 kg\nEach point follows \\(F = m a\\)",
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}
]
},
{
"slide": 6,
"fragments": []
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"slide": 7,
"fragments": [
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"fragment_index": -1,
"text_description": "Check Point\nCorrect!\nYes. Smaller mass means larger acceleration when force is fixed.\nIncorrect\nRecall \\(a = \\frac{F}{m}\\). Greater mass produces smaller acceleration.\nconst correctOption = 0;\n const answerCards = document.querySelectorAll('.answer-card');\n const submitBtn = document.getElementById('submitBtn');\n const feedbackCorrect = document.getElementById('feedbackCorrect');\n const feedbackIncorrect = document.getElementById('feedbackIncorrect');\n \n let selectedOption = null;\n \n answerCards.forEach((card, index) => {\n card.addEventListener('click', () => {\n answerCards.forEach(c => c.classList.remove('border-blue-500', 'bg-blue-50'));\n card.classList.add('border-blue-500', 'bg-blue-50');\n selectedOption = index;\n });\n });\n \n submitBtn.addEventListener('click', () => {\n if (selectedOption === null) return;\n \n if (selectedOption === correctOption) {\n feedbackCorrect.classList.remove('hidden');\n feedbackIncorrect.classList.add('hidden');\n } else {\n feedbackIncorrect.classList.remove('hidden');\n feedbackCorrect.classList.add('hidden');\n }\n });",
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{
"fragment_index": 1,
"text_description": "Question\nFormative assessment: A light toy car and a heavy grocery trolley receive the same push. Which one accelerates more?",
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},
{
"fragment_index": 2,
"text_description": "1\nToy car",
"image_description": ""
},
{
"fragment_index": 3,
"text_description": "2\nGrocery trolley",
"image_description": ""
},
{
"fragment_index": 4,
"text_description": "3\nBoth accelerate equally",
"image_description": ""
},
{
"fragment_index": 5,
"text_description": "4\nCannot say",
"image_description": ""
},
{
"fragment_index": 6,
"text_description": "Hint:\nFor a fixed force, acceleration is inversely proportional to mass: \\(a = \\frac{F}{m}\\).",
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},
{
"fragment_index": 7,
"text_description": "Submit Answer",
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}
]
},
{
"slide": 8,
"fragments": [
{
"fragment_index": -1,
"text_description": "Key Takeaways",
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},
{
"fragment_index": 1,
"text_description": "Force boosts speed\nGreater force produces greater acceleration of the object.",
"image_description": ""
},
{
"fragment_index": 2,
"text_description": "Mass resists change\nHeavier mass means smaller acceleration for the same force.",
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},
{
"fragment_index": 3,
"text_description": "Rule in one line\nNewton’s Second Law: \\(F = m \\times a\\).",
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},
{
"fragment_index": 4,
"text_description": "Quick recap\nForce, mass and acceleration are linked; remember this whenever motion changes.",
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}
]
}
]