Linear Momentum (A+35)

  A+35+0 Balls of equal and unequal mass on strings, separated by a leaf spring.
  A+35+2 Two people in rolling chairs pushing and pulling
  A+35+5 Elastic collisions: Seven steel balls roll on a wooden track.
  A+35+10 Elastic collisions: Five hanging balls and two unequal hanging balls.
  A+35+16 .22 rifle fires vertically, bullet lifts small wood cylinder.
  A+35+17 Ballistic pendulum: Suspended .22 rifle fires into suspended block.
  A+35+18 Inelastic collisions: Another ballistic pendulum.
  A+35+20 Three meter airtrack with gliders that rebound elastically, or stick.
  A+35+25 Plastic pucks on air table.
  A+35+28 Executive size pool table
  A+35+30 Mechanical model of a gas: Vibrating balls strike piston on OHP.
  A+35+35 Airtrack: Long track with two gliders coupled by a spring hoop.
  A+35+40 Train on circular track moves one way and track moves the other.
  A+35+45 Film loop: "Colliding freight cars", 2:45 min.
  A+35+50 Film loop: "Dynamics of a billiard ball", 4:00 min.
  A+35+55 Applet: Collision Lab