Interaction pair

Summary: Forces always come in pairs, called Interaction Pairs. In Figure 3: - Gravity pulls the child down. This is the force of Earth on the child. - The child pulls Earth up. This is the force of the child on Earth. Tags: science student-book-7 physics Created: 2026-05-21 Last Updated: 2026-05-21

Interaction pair

Forces always come in pairs, called Interaction Pairs. In Figure 3: - Gravity pulls the child down. This is the force of Earth on the child. - The child pulls Earth up. This is the force of the child on Earth.

Source

This concept is from the [Science Student Book 7](Science Student Book 7/Physics/Forces/1.1 Introduction to forces.md), Physics section.