According to Newton's 3rd Law of Motion, when you walk on the sidewalk, the push of your shoe on the ground is the push of the ground on your shoe. *

opposite

Explanation:

Newton's 3rd law of motion: If object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A.

so it should be opposite because the ground/floor pushes the shoe up and forward, the shoe pushes down and back.

correct me if you see a mistake.

a negative statement is more likely to be the correct answer (apex)

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