motion and forces

• scalar


  something with a quantity, size, magnitude, but no direction
• vector


  something with both size and direction
• scalar examples


  e nergy

  s peed

  d istance

  t ime

  p ower

  m ass

  p ressure

  v olume
• vector examples

  f orce

  v elocity

  w eight

  m omentum

  b uoyancy

  d isplacement

  a cceleration

  a ir r esistance