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Q: The rate of change of velocity is called?
  • A. momentum
  • B. acceleration
  • C. speed
  • D. force
Correct Answer: Option B - The rate of change of velocity of an object is called acceleration. Acceleration is a vector quantity whose SI unit is m /s². Its dimensional formula is [LT⁻²].
B. The rate of change of velocity of an object is called acceleration. Acceleration is a vector quantity whose SI unit is m /s². Its dimensional formula is [LT⁻²].

Explanations:

The rate of change of velocity of an object is called acceleration. Acceleration is a vector quantity whose SI unit is m /s². Its dimensional formula is [LT⁻²].