Force & Motion

Law of Inertia Experiment Apparatus


[Product Description]

All-in-one type “Law of Inertia” Experiment Set with a Ball-Launcher and Metallic Dynamic Cart DY-5

[Overall Advantages to Users]

  • No longer need for special rails guiding the cart.
  • 1) All-in-one type apparatus that enables law of inertia experiment anywhere and anytime as long as flat surface is available.
  • 2) Shorter time and lower cost required for preparation and clean up after the experiment.
  • Equipped with infrared remote-control.
  • Remotely operated launching unit allows the ball to be launched from or dropped on the (launcher) unit at any time unlike existing launching units with a mechanical switch.


  • Law of inertia
  • Newton’s first law of motion

Click the “Download tab” below for the “Teacher’s Resources” documents such as an instruction manual and teachers’ guide(s) for experiments.



Related Products


[To all users]

  • Designed to be used in combination with the “Metallic Cart for Dynamic Experiments (C15-1622)” that runs smoothly and stably.
  • Better portability achieved with remote control that eliminates the need to use special guiding rails.

[To teachers]

  • Dynamic demonstration and high repeatability possible at ease.
  • Easy to monitor the trajectory of launched ball by using high-speed photography function (slow-motion playback) of a smartphone or tablet.
  • Shorter experiments preparation and clean-up time.
  • By its compact size storage is easy and hassle free.

[To students]

  • Possible to observe captivating dynamic experiment and high repeatability demonstration done by teachers.
  • Slow motion video playback possible for careful observation and thorough analysis of experiment’s result after shooting high speed photography by smartphone or tablet.
  • Possible to understand the law of inertia visually and intuitively through the experiments.
  • Switching mechanism: Infrared remote-control switch
  • Launcher mechanism: Built-in spring ejector
  • Ball dropping mechanism: Electromagnetic
  • Power source: 006P type 9V dry cell battery (sold separately)
  • Size: 305 x 120 x 470mm with Ball dropping mechanism
  • Accessories: Metallic Dynamic Cart DY-5 (x1), Infrared remote-controller (x1), Plastic ball (x1)

Teacher's Resources

  • [MANUAL] In English for this product.


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