Q: Q: What kind of equal and opposite forces cancel one another out when they act on the same object?   A:
A: balanced

Q: Q: Which part of an earthquake is in the ground where the ground breaks?   A:
A: the focus

Q: Q: The pion can only be created by violating the conservation of what?   A:
A: mass-energy

Q: Q: What is the term for the affected factor in an experiment?   A:

A: dependent variable