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Physics · L2 · Which Newton's Law Applies?

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A step-by-step way to decide which of Newton's three laws best explains a moving-object scenario.

by @openstemUpdated Physics
⚖️ Look at what is happening to the objectIs the object's motion changing?1st Law applies: inertiaAre you asking why it pushed back on something?3rd Law applies: action-reaction pair2nd Law applies: bigger force or lighter object means bigger accelerationNo — it stays at rest or keeps the same speed and directionYes — it speeds up, slows down, or turnsYes — look at the force it exerts in returnNo — look at how big the force and the object's mass are

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