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An object stays at rest or in uniform motion unless acted on by:
AAn applied factor
BAn applied formula
CAn applied fulcrum
DAn applied force
Answer & Solution
Correct answer: D. An applied force
1. This is the statement of the first law.
2. Motion in a straight line continues on its own.
3. Only an applied force changes it.
_Source: NCERT Class 9 Science, Ch 9 'Force and Laws of Motion'_
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