Newton's first law of motion gives the concept of _________?
Correct answer: C. Inertia
- A. Energy
- B. Work
- C. Inertia
- D. Momentum
Explanation
Newton's first law states that an object remains at rest or in uniform straight-line motion unless an unbalanced external force acts on it. This resistance to a change in motion is called inertia. Students may choose momentum because it is related to motion, but momentum is not the concept directly defined by the first law.
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About Newton's Laws of Motion
Newton’s laws explain inertia, the relation between net force and acceleration, and action-reaction pairs. Questions involve free-body diagrams, balanced and unbalanced forces, F = ma, force as the rate of change of momentum, and identifying genuine third-law pairs, which act on different bodies.
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