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Action Reaction Hopper Popper (ME-H-AR)

Action Reaction Hopper Popper (ME-H-AR)

Demonstrates Newton’s third law of motion, for every action, there is an equal and opposite reaction.


1.  1-meter metal ruler
2.  Hopper popper (marked ‘hot’)
3.  2 heavy books

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  • Description

    Product Description


    1.  Setup as shown, with ruler between books on the edge of the cart or table.
    2.  Turn the hopper popper ‘inside out’ and set it on the end of the ruler.
    3.  When the hopper popper pops back into its rounded shape, it flies upward and the end of the metal ruler is pushed downward.