PUZZLE TIME

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Across
  1. 4. M/SEC is the unit of
  2. 7. straight line graph indicates
  3. 8. unit measured by sundial
Down
  1. 1. motion of simple pendulum
  2. 2. maximum distance covered by simple pendulum
  3. 3. standard unit of time
  4. 5. time taken in one oscillation
  5. 6. instrument used for measurement of speed