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Questions and Answers
Which of the following is the correct definition of momentum?
Which of the following is the correct definition of momentum?
- The change in momentum
- The measure of speed that includes direction
- The quantity of motion of a moving body (correct)
- The resistance to changes in an object's motion
What is the SI unit for velocity?
What is the SI unit for velocity?
- kg m/s
- kg
- m
- m/s (correct)
Which law states that an object's momentum doesn't change unless it interacts with another object?
Which law states that an object's momentum doesn't change unless it interacts with another object?
- Law of Conservation of Momentum
- Newton's 2nd Law
- Newton's 3rd Law
- Newton's 1st Law (correct)
What is the definition of a scalar quantity?
What is the definition of a scalar quantity?
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According to the law of conservation of momentum, what happens to momentum in a closed system?
According to the law of conservation of momentum, what happens to momentum in a closed system?
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