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Which of the following best describes impulse in engineering mechanics?
67. Which of the following best describes impulse in engineering mechanics?
- A force acting over a period of time
- A change in momentum over a period of time
- A change in velocity over a period of time
- A displacement over a period of time
Answer
The correct answer is: B) A change in momentum over a period of time
Explanation
The concept of an impulse is a modification in the momentum of an object over time.