Java Physics



Vector Addition

  • The tip of each arrow can be dragged to move, thus changing its magnitude and direction.
  • The yellow circle can be dragged to move, thus translating the whole system.
  • Users are advised to repeat Restore-Vector sum several times to "show" the resulatnt is the same despite the order of arrows in each "tip-tail-joining" is different.



Internal Links :

Inclined Plane (Applet)

Projectile Motion (Applet)

Run Applet Online

Download Executable Jar File

Html5 Version




  • The author (Chiu-king Ng) has the copyright on all the simulations in this website.
  • Email, where AA is the prime number following 7.
  • Last Update:2018-4-22