force and pressure

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Across
  1. 4. the unit of pressure.
  2. 5. the force acting on a unit area.
  3. 8. the single force equal to the net force of all the forces acting on a body.
  4. 9. force due to direct interaction between the objects.
  5. 10. force acting between the surfaces of two objects rubbing each other.
Down
  1. 1. when the resultant of all the forces acting on a body is zero.
  2. 2. an applied force exerted by the muscles
  3. 3. the force by which the earth pulls each objects towards it
  4. 6. a push or pull arise due to interaction between two objects.
  5. 7. the SI unit of force.