Perpendicular Definition and 503 Threads

  1. P

    Acceleration of an object is always directed perpendicular to its velocity

    if i drop a package off a plane, then a second later i drop another package, the distance between the packages will be constant right? or would it be increasing? why? if the acceleration of an object is always directed perpendicular to its velocity, is the object speeding up?
  2. Q

    So, does this mean that straight motion is more dominant than circular motion?

    Straight Aristocracy If the latter part of this is true it postulates that if an object which was put into motion by an unknown entity in zero gravity is moving in a circle a force must be acting upon it. Hence, no object will inertially move in a circle unless it is a spin (rotation on its'...
  3. M

    Fact or Fiction: 2 Planets Discovered in Perpendicular Orbits?

    I've just talked with someone who informed me of a T.V. special, that dealt with the discovery of two planets, that move in perpendicular orbits - relative to the other nine planets. Is this true, or was I right in assuming that it was ridiculous?
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