(4)Distance

• Possible units for measuring distance

  • Micrometre
  • Millimetre
  • Centimetre
  • Meter
  • Kilometre
  • (Mile)
  • Lightyear

  
• The unit to be used depends on the size of the measured distance
• Distance


  The length of the shortest path connecting two points
• Distance is always measured from one point (reference point) to another
• Distance travelled


  The length of the actual path travelled in getting from one point to another