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Principles of Manual Medicine

Quick Quiz 2
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Newton's second law can be expressed by which of the following mathematical relationships?
m=fa
f=ma
a=mf

Which of the following statements is correct?
For every force of action there is an unequal and opposite reaction.
For every action there is an equal reaction that tends to increase the effect of the original action.
For every force of action there is an equal and opposite reaction.

In order to change the position of an object, we need to?
Apply a positive force.
Apply a negative force.
Both are true.
Neither are true.