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[
{
"slide": 1,
"fragments": [
{
"fragment_index": -1,
"text_description": "Force and Motion\nDiscover why a harder push means a faster move.",
"image_description": ""
}
]
},
{
"slide": 2,
"fragments": [
{
"fragment_index": -1,
"text_description": "Push or Pull",
"image_description": ""
},
{
"fragment_index": 1,
"text_description": "Force\nA force is a push or a pull that can change an object's state of motion.\nKey Characteristics:\nStarts or stops motion\nSpeeds up or slows down objects\nChanges direction of movement\nExample:\nName one everyday action that is a push and one that is a pull (e.g., pushing a swing, pulling a drawer).",
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}
]
},
{
"slide": 3,
"fragments": [
{
"fragment_index": -1,
"text_description": "Pushing a Cart",
"image_description": ""
},
{
"fragment_index": 1,
"text_description": "",
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{
"fragment_index": 2,
"text_description": "More Mass, Less Acceleration\nA light, empty shopping cart shoots forward with a gentle push.\nLoad it with heavy bags; the same push only creeps it along.\nGreater mass needs a larger force to get the same acceleration.\nKey Points:\nSame push, light cart → quick acceleration.\nHeavier cart feels harder to push because it accelerates less.",
"image_description": ""
}
]
},
{
"slide": 4,
"fragments": [
{
"fragment_index": 1,
"text_description": "Newton's 2nd Law",
"image_description": ""
},
{
"fragment_index": 2,
"text_description": "\\[F = m\\,a\\]\nAcceleration of an object is directly proportional to the net force and inversely proportional to its mass.",
"image_description": ""
},
{
"fragment_index": 3,
"text_description": "Variable Definitions\nF\nNet force (newton)\nm\nMass (kilogram)\na\nAcceleration (m/s²)",
"image_description": ""
},
{
"fragment_index": 4,
"text_description": "Applications\nPushing a Cart\nMore force makes the cart speed up faster.\nKicking a Football\nHeavier balls need more force for the same speed.",
"image_description": ""
}
]
},
{
"slide": 5,
"fragments": [
{
"fragment_index": -1,
"text_description": "Worked Example\nA 10 N force pushes a 2 kg box on a smooth floor. Find its acceleration using \\(F = m a\\).",
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},
{
"fragment_index": 1,
"text_description": "1\nWrite the formula\nAcceleration \\(a\\) is given by \\(a = \\frac{F}{m}\\).",
"image_description": ""
},
{
"fragment_index": 2,
"text_description": "2\nSubstitute values\n\\(a = \\frac{10\\,\\text{N}}{2\\,\\text{kg}}\\)",
"image_description": ""
},
{
"fragment_index": 3,
"text_description": "3\nSolve\n\\(a = 5\\ \\text{m/s}^2\\)",
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},
{
"fragment_index": 4,
"text_description": "Pro Tip:\nKeep units consistent; Newtons for force and kilograms for mass ensure acceleration comes out in m/s².",
"image_description": ""
}
]
},
{
"slide": 6,
"fragments": []
},
{
"slide": 7,
"fragments": [
{
"fragment_index": -1,
"text_description": "Quick Check\nSubmit Answer\nCorrect!\nYes. Acceleration is directly proportional to force when mass is constant.\nIncorrect\nRe-check \\(a = F / m\\). Doubling force should change acceleration by the same factor.\nconst correctOption = 2;\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\nFor a body with constant mass, if the applied force doubles, how does its acceleration change?",
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},
{
"fragment_index": 2,
"text_description": "1\nIt halves.",
"image_description": ""
},
{
"fragment_index": 3,
"text_description": "2\nIt remains unchanged.",
"image_description": ""
},
{
"fragment_index": 4,
"text_description": "3\nIt doubles.",
"image_description": ""
},
{
"fragment_index": 5,
"text_description": "4\nIt becomes four times.",
"image_description": ""
},
{
"fragment_index": 6,
"text_description": "Hint:\nRemember \\(a = \\frac{F}{m}\\). Keep\nm\nconstant.",
"image_description": ""
}
]
},
{
"slide": 8,
"fragments": [
{
"fragment_index": -1,
"text_description": "Key Takeaways\nRecap the essentials of Newton's Second Law.",
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},
{
"fragment_index": 1,
"text_description": "Force = Push or Pull\nAny interaction that tries to move or stop an object.",
"image_description": ""
},
{
"fragment_index": 2,
"text_description": "Law Connects F, m, a\nAcceleration depends on applied force and the object's mass.",
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},
{
"fragment_index": 3,
"text_description": "Formula \\(F = m a\\)\nForce equals mass multiplied by acceleration.",
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},
{
"fragment_index": 4,
"text_description": "More Force → More a\nWith the same mass, larger force gives greater acceleration.",
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},
{
"fragment_index": 5,
"text_description": "More Mass → Less a\nWith the same force, heavier objects accelerate less.",
"image_description": ""
}
]
}
]