PHYSICS

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Across
  1. 5. The factor that has the greatest effect on kinetic energy is
  2. 9. what is the movement molecules in the air that produces vibrations?
  3. 10. an object is released form a certain height above the ground.Just at the tome it touches the ground,it will possess___________
  4. 13. What is one types of mechanical energy?
  5. 14. A body of mass 10 kg at rest is subjected to a force of 16N. Find the kinetic energy at the end of 10s
  6. 15. What is stored energy possessed by an object?
Down
  1. 1. Nucleur power plants is the example for what kind of energy?
  2. 2. Work is energy transferred to or from an object by a force acting on it that cause_____ of the object
  3. 3. what is the electromagnetic energy that travels in tranverse waves?
  4. 4. If a boy push a cart with force of 80N for2m.How much work have done?
  5. 6. 40kg girl runs up a flight of stairs having a rise of 5m in 4s.The power developed by her will be ______ (take g= 10m/s2)
  6. 7. name two physical quantities whose unit is Joule
  7. 8. A man exerted a 800N of force in pushing the stationary block.The block can not be moved.How much work was done on block?
  8. 11. Calculate the work done on the block of wood by man pushing it 300N of force through a distance of 10 meters.
  9. 12. What is the SI unit of energy?