Multiple Choice
This fundamental principle of physics is the basis behind the effectiveness of a seismometer.
A) The change of momentum of a body is proportional to the impulse impressed on the body, and happens along the straight line on which that impulse is impressed.
B) The mutual forces of action and reaction between two bodies are equal, opposite, and collinear.
C) Every body persists in its state of being at rest or of moving uniformly straight forward, except insofar as it is compelled to change its state by force impressed.
D) To every action there is always an equal and opposite reaction.
Correct Answer:

Verified
Correct Answer:
Verified
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