Марина Совина (ночной редактор)
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The size gap between them is enormous. Didymos is about 200 times heavier than its partner, which helps explain why the system's overall motion changed only slightly.
What Is Static Friction?Let’s start with something simple. Place a book on a table and give it a little nudge on the side. Just a light push—not enough to get it moving. Newton's second law says the net force on an object equals the product of its mass and acceleration (Fnet = ma). Since the book isn’t accelerating (a = 0), the net force must be zero, meaning all the forces are balanced. Here’s a diagram: