HS-PS2-1

Analyze data to support the claim that Newton's second law of motion describes the mathematical relationship among the net force on a macroscopic object, its mass, and its acceleration.

  1. Physics

    Scientists Say: Acceleration

    Acceleration is a change in velocity. That could mean a change in speed or in direction.

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  2. Physics

    Researchers reveal the secret to the perfect football throw

    The tip of a spiraling football follows the ball’s path. If you know a thing or two about gyroscopes, this is not what you’d expect.

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  3. Physics

    Scientists Say: Velocity

    Velocity is more than speed. It is both speed and the direction in which an object is traveling.

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  4. Physics

    How physics lets a toy boat float upside down

    Buoyancy’s upward force keeps objects afloat even in unusual conditions.

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  5. Tech

    Let’s learn about space robots

    Space robots can take pictures of other planets, analyze samples of their surface and even peer into their interiors.

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  6. Planets

    Glass beads help scientists puzzle out how baby planets grow

    Researchers have mimicked the first stages of planet formation in the lab. All they needed were glass beads and a catapult.

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  7. Physics

    Disabilities don’t stop these experts in science and tech

    People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.

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  8. Tech

    Teens garner some $4 million in prizes at 2017 Intel ISEF

    Hundreds of teens collectively took home about $4 million in awards from the Intel International Science and Engineering Fair this week.

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  9. Physics

    Falling through Earth might be a long and fruitless trip

    A classic physics problem asks what would happen if you plunged through Earth’s center. A new study contends you could never make it to the other side.

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  10. Teen gymnast finds how best to keep her grip

    Unsatisfied with anecdotal opinions on which type of gymnastics chalk was best, a teen used science to find out for herself.

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  11. Health & Medicine

    Why Paralympic sprinters have trouble with curves

    Whether an artificial leg is on the right or left side of the body may affect how fast runners can take a turn.

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  12. 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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