A person is walking west along a sidewalk. What are the object and force pairs in this situation?

1 Answer
Sihan Tawsik
Oct 28, 2016

foot-reaction force and earth-action force

Explanation:

when someone walks, he puts force on the earth. and for, Newton's third law, a reaction force is created in the anti direction of the force and it applies on the person.
so, the force pairs are,
earth-action force
person-reaction force

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