Energy is the ability to do work. Work happens when something moves a distance against a force. Although it seems a little hard to comprehend, this is truly one of the most useful concepts in physics.

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4 Responses to “What is Energy?”

  1. Aurora Lipper says:

    The video is working when I test it. Please make sure your web browser is up to date and try clearing out cookies. You also might try a different web browser.

  2. carol_davis says:

    “What is Work?” is not loading.

  3. I will have my team connect with you right away!

  4. Andria E. ColemOn-Harville says:

    I have asked for access to this unit for my high schoolers. I was told I have access, but I still can’t get in.