Flight

Flight

principles:

• Air has weight
• gravity

Related concepts

• vacuum and suction
• gravity
  • terminal velocity
  • bullets and gravity
  • two bullets held at the same level, one by hand, the other in a gun
  • they both are released simultaneously
  • which hits the ground first?
  • gravity acts on both equally, so they fall at the same time
    • actually the dropped bullet, as the earth is round, so the curvature of the earth would make the distance of the bullet fired in a straight line farther than the bullet dropped to the ground