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Q: Which of the following physical units changes or tends to change the state of rest or uniform motion of an object?
  • A. momentum
  • B. mass
  • C. force
  • D. inertia
Correct Answer: Option C - Force – It may be defined as a push or pull which changes or tends to change the state of rest or uniform motion or direction of motion of a body.
C. Force – It may be defined as a push or pull which changes or tends to change the state of rest or uniform motion or direction of motion of a body.

Explanations:

Force – It may be defined as a push or pull which changes or tends to change the state of rest or uniform motion or direction of motion of a body.