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- Introduction to Mechanics MCQ
- Unit 07: Momentum and Collisions
- How is Newton's 2nd law expressed
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Card 29 / 58: How is Newton's 2nd law expressed in terms of momentum?
A)
Force is equal to the average momentum of an object divided by the time interval over which the average is taken.
B)
Force is equal to the average momentum of an object times the time interval over which the average is taken.
C)
Force is equal to the change in momentum of an object divided by the time interval over which the change occurred.
D)
Force is equal to the change in momentum of an object times the time interval over which the change occurred.
Answer:
C) Force is equal to the change in momentum of an object divided by the time interval over which the change occurred.
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Attribution:
Introduction to Mechanics. The Saylor Academy 2014, http://www.saylor.org/courses/phys101/
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