The road reacts by exerting an equal and opposite force on the person’s feet. This reactive force from the road propels the person forward, enabling them to start moving.
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When a person exerts a force on the road by pushing against it to start walking, the road reacts with an equal and opposite force, as per Newton’s Third Law of Motion. The road exerts a reaction force on the person’s foot in the forward direction. This reaction force enables the person to overcome static friction and initiate motion. It’s crucial to note that the road’s reaction force facilitates movement by pushing the person forward, allowing for a balanced interaction between the person and the road surface. Newton’s Third Law emphasizes the mutual nature of forces in any interaction between objects.