Motion and time

123456789
Across
  1. 2. is one that uniformly used by everyone
  2. 5. is the kind of motion in which a body covers equal distances in equal intervals of time
  3. 8. a weight hung from a string
  4. 9. the time taken by a pendulum for one one to and fro movement
Down
  1. 1. who discovered the principle of the pendulum
  2. 3. is the comparison of an unknown quantity with some fixed quantity of the same kind
  3. 4. A change in position in a certain amount of time is called
  4. 6. is the force required to give a mass of 1 kilogram
  5. 7. distance moved in unit time