Science
Newton’s first law of motion
In this Class 9 Science topic from “How Forces Affect Motion,” students learn Newton’s first law of motion and the idea of inertia. They explore why an object at rest remains at rest, while an object in motion continues moving in a straight line at constant speed unless an unbalanced external force acts on it. Everyday examples such as a passenger leaning forward when a bus stops help connect the law with balanced forces, changes in motion, and real-world observations.
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Practice questions are not available for this topic yet. We plan to add questions with clear explanations soon. You can keep practising other topics in the meantime.
- Class / subject
- 9 · Science
- Chapter
- How Forces Affect Motion
- Topic
- Newton’s first law of motion
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