L-10_9th_Sci

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Across
  1. 2. _____ is defined as the rate of doing work.
  2. 3. The _____ is the biggest natural source of energy to us.
  3. 5. Objects in motion possess energy we call this energy _____ energy.
  4. 8. The potential energy of the object in motion is ____ .
  5. 11. The sum of kinetic energy and potential energy of an object is its ______ energy.
  6. 12. Power is directly proportional to____.
  7. 13. The minimum force required to raise the object is equal to the ____ of the object.
Down
  1. 1. The energy transferred to an object is stored as ______ energy if it is not used to cause a change in the velocity or speed of the object.
  2. 2. Work done is _____ when the force is in the direction of displacement.
  3. 4. 1 Kilo Joule of energy equals ____ Joule of energy.
  4. 6. Work can be defined as the product of ____ and displacement.
  5. 7. The SI unit of work is ____.
  6. 9. When any force is applied to an object and the object gets displaced then we say that ____ is done.
  7. 10. An object having a capability to do work is said to possess ____.
  8. 12. The unit of Power is ____.