FORCE AND FRICTION

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Across
  1. 3. brakes on cycles work due to
  2. 4. contact force
  3. 7. 23n-> and 21<- is a
Down
  1. 1. by lubrication we can
  2. 2. smoothens and reduces friction
  3. 5. friction that helps us to write on a paper
  4. 6. can move a physics notebook