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[
{
"slide": 1,
"fragments": [
{
"fragment_index": -1,
"text_description": "Second Law of Motion\nForce, mass, and motion collide to create acceleration!",
"image_description": ""
}
]
},
{
"slide": 2,
"fragments": [
{
"fragment_index": 1,
"text_description": "Everyday Push",
"image_description": ""
},
{
"fragment_index": 2,
"text_description": "Term\nForce & Mass\nDefinition\nA force is any push or pull that changes motion. Mass shows how heavy an object is; heavier mass needs greater force for the same speed-up.",
"image_description": ""
},
{
"fragment_index": 3,
"text_description": "Push or pull\nMass = heaviness\nMore mass, less acceleration",
"image_description": ""
},
{
"fragment_index": 4,
"text_description": "Reflect: Which speeds up faster when kicked equally hard—a football or a bowling ball? Explain using force and mass.",
"image_description": ""
}
]
},
{
"slide": 3,
"fragments": [
{
"fragment_index": -1,
"text_description": "Newton’s Second Law",
"image_description": ""
},
{
"fragment_index": 1,
"text_description": "\\[F = m a\\]",
"image_description": ""
},
{
"fragment_index": 2,
"text_description": "Variable Definitions\nF\nNet force (newton, N)\nm\nMass of body (kilogram, kg)\na\nAcceleration produced (m s\n−2\n)",
"image_description": ""
},
{
"fragment_index": 3,
"text_description": "Applications\nKick a Football\nStronger kick (larger F) makes the same ball accelerate faster.\nLoaded vs Empty Cart\nHeavier cart (larger m) needs more force for the same acceleration.\nSource: CBSE Grade 9 Science Textbook",
"image_description": ""
}
]
},
{
"slide": 4,
"fragments": [
{
"fragment_index": 1,
"text_description": "Straight-Line Link",
"image_description": ""
},
{
"fragment_index": 2,
"text_description": "Force (F) vs Acceleration (a) for a 2 kg block",
"image_description": "https://asset.sparkl.ac/pb/sparkl-vector-images/img_ncert/QhAQyYXwWzU6RVab9ih1evKpxqXyHrAhoGpYLsma.png"
},
{
"fragment_index": 3,
"text_description": "Force grows directly with acceleration",
"image_description": ""
},
{
"fragment_index": 4,
"text_description": "For the fixed mass of 2 kg, doubling the acceleration doubles the required force, giving a straight-line graph that starts at the origin.",
"image_description": ""
},
{
"fragment_index": 5,
"text_description": "Key Points:\nGraph is a straight line through (0, 0).\nSlope equals mass: 2 N s² m⁻¹.\nShows direct proportionality \\(F \\propto a\\).",
"image_description": ""
}
]
},
{
"slide": 5,
"fragments": []
},
{
"slide": 6,
"fragments": [
{
"fragment_index": -1,
"text_description": "Quick Check\nSubmit Answer\nCorrect!\nCorrect! 12 ÷ 4 = 3 m/s².\nIncorrect\nCheck the formula again. Force divided by mass gives acceleration.\nconst correctOption = 0;\n const answerCards = document.querySelectorAll('.answer-card');\n const submitBtn = document.getElementById('slide-06-d1e4b7-submit');\n const feedbackCorrect = document.getElementById('slide-06-d1e4b7-feedback-correct');\n const feedbackIncorrect = document.getElementById('slide-06-d1e4b7-feedback-incorrect');\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 });",
"image_description": ""
},
{
"fragment_index": 1,
"text_description": "Question\nA 4 kg box experiences a force of 12 N. What is its acceleration?",
"image_description": ""
},
{
"fragment_index": 2,
"text_description": "1\n3 m/s²",
"image_description": ""
},
{
"fragment_index": 3,
"text_description": "2\n0.3 m/s²",
"image_description": ""
},
{
"fragment_index": 4,
"text_description": "3\n48 m/s²",
"image_description": ""
},
{
"fragment_index": 5,
"text_description": "4\n8 m/s²",
"image_description": ""
},
{
"fragment_index": 6,
"text_description": "Hint:\nUse a = F ÷ m.",
"image_description": ""
}
]
},
{
"slide": 7,
"fragments": [
{
"fragment_index": -1,
"text_description": "Key Points",
"image_description": ""
},
{
"fragment_index": 1,
"text_description": "Force, mass, and acceleration are linked.",
"image_description": ""
},
{
"fragment_index": 2,
"text_description": "Newton’s Second Law: \\(F = m \\times a\\).",
"image_description": ""
},
{
"fragment_index": 3,
"text_description": "For a fixed mass, acceleration rises with greater force.",
"image_description": ""
},
{
"fragment_index": 4,
"text_description": "Heavier objects need a stronger push to speed up.",
"image_description": ""
},
{
"fragment_index": 5,
"text_description": "Predict motion by simple multiplication or division.",
"image_description": ""
},
{
"fragment_index": 6,
"text_description": "Next Steps\nTry solving two textbook problems using \\(F = m a\\).",
"image_description": ""
},
{
"fragment_index": 7,
"text_description": "Thank You!\nWe hope you found this lesson informative and engaging.",
"image_description": ""
}
]
}
]