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Consider the following 2 scenarios: Case A) A person pushes on a wall without moving Case...

Consider the following 2 scenarios:

Case A) A person pushes on a wall without moving

Case B) A person runs and accelerates. Ignore air resistances.

Identify the relevant forces acting on the person (hint: a free body diagram might be helpful). Does Newton's Third Law apply? If it applies, what are the third law pairs for each? Why is/isn't the person accelerating?

If possible, can you also explain if third law pairs can also be part of the relevant force that is acting on the person?

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