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    What People Are Saying

    Holds up well
  • Gail
  • 10/31/2016
  • I purchased this for the Educational Resource Center (ERC) in our public library. Families come in every day to use our kits and equipment, and the Newtonian Demonstrator is by far the most popular item in the ERC. It is used numerous times a day, and not very gently. It has hit the floor several times and routinely gets tangled. I'm getting ready to purchase a new one, finally, as after an entire year of hard use, the nylon strings are now breaking. I've been extremely satisfied with the quality of this item!
    Decent
  • Olivia
  • 10/08/2015
  • This does the job. The strings seems a little wobbly to me, I feel like ones I've seen before were more sturdy but can't say for sure. It's fine as a demo.
    Fun product
  • Amy
  • 09/12/2015
  • I like the attractive design of this Newtonian demonstrator. I purchased to use for physics but set it out in the room until we need it. The students I tutor (as well as my own family) enjoy setting it in motion when they walk in the room. It's hard not to!

    reward points

    Newtonian Demonstrator

    Ages 8+

    Item# MC-NEWTDEM

    $16.50 in_stock

    In Stock

    Order now to ship Today. Express shipping is available.
    Product Overview
    This popular device, called a Newtonian Demonstrator or Newton's Cradle, is used to study conservation of momentum and energy.

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    • Product Details

      Newtonian Demonstrator

      This popular device, called a Newtonian Demonstrator or Newton's Cradle, is used to study conservation of momentum and energy. Lift and drop a ball on one end and the ball on the other end responds with an opposite motion. Drop two balls on one end and two balls respond on the other end. This Newtonian Demonstrator features 20 mm diameter chrome-plated steel balls suspended on nylon string from a steel frame mounted to a durable wood base. Operating instructions and theory are included. The overall size is 12 cm (4.8") L x 11 cm (4.3") W x 15 cm (6") H.

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