Ch:11

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Across
  1. 2. The kinetic energy of a body increases with increase in ____. (Fill in)
  2. 4. What is the SI unit of work ?
  3. 7. 1 joule = 1 _____ × 1 metre (Fill in)
  4. 9. The total energy before and after the transformation always remain _____. (Fill in)
  5. 11. What is the value of work done when the displacement is perpendicular to the force applied ?
  6. 13. 1 _____ = 1 joule/second (Fill in)
  7. 14. Work has only magnitude and no ____. (Fill in)
Down
  1. 1. What kind of energy does water stored in a dam possess ?
  2. 3. Work = Force × ______ (Fill in)
  3. 5. Which other physical quantity has the same unit as work done ?
  4. 6. The total sum of kinetic and potential energy is ____ energy. (Fill in)
  5. 8. What is the energy possessed by a body due to its motion called ?
  6. 10. Which physical quantity is defined as work done per unit time ?
  7. 12. What does the area under a Force vs displacement curve represent?