HS-PS2-4

Use mathematical representations of Newton's Law of Gravitation and Coulomb's Law to describe and predict the gravitational and electrostatic forces between objects.

More Stories in HS-PS2-4

  1. Physics

    An ancient plant inspires a new lab tool

    Researchers have designed a lab tool that moves liquids from one place to another by mimicking a plant called a liverwort.

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  2. Planets

    How Earth got its moon

    How did our moon form? Scientists are still debating the answer. It may be the result of some one big impact with Earth — or perhaps many small ones.

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  3. Physics

    Explainer: What are gravitational waves?

    Albert Einstein had predicted that large catastrophes, like colliding black holes, should produce tiny ripples in the fabric of space. In 2016, scientists reported finally detecting them

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  4. Physics

    Einstein taught us: It’s all ‘relative’

    One hundred years ago, a German physicist shared some math he had been working on. In short order, his theory of relativity would revise forever how people viewed the universe.

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  5. Earth

    How Earth’s surface morphs

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