Introduction to physics

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Across
  1. 1. a table of the chemical elements arranged in order of atomic number
  2. 8. force is equal to mass times acceleration.
  3. 10. Any force that resists relative tangential motion
  4. 11. branch of physics that deals with heat and other energy forms
  5. 15. : The rate at which velocity changes over time
  6. 19. the distance in the line of advance of a wave from any one point to the next point of corresponding phase.
  7. 21. All forces cancel each other out
  8. 22. reaction of an object to a force to equate frequencies with the natural frequency of an object
  9. 24. : an Instrument that measures and indicates temperature
  10. 27. Conduction :The transfer of energy as heat through a material
  11. 31. :The tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until and outside force acts on the object.
  12. 33. How fast an object is traveling
  13. 36. SI unit of temperature
  14. 37. : The speed of an object in a particular direction
  15. 38. for every action (force) in nature there is an equal and opposite reaction
  16. 40. :The change in position of an object
  17. 41. quantity that has magnitude only
  18. 44. negative charged particle
  19. 45. frequency is below 20 Hz
  20. 48. one of the universal gate
  21. 49. :The amount of work an object can do because of the object’s kinetic and potential energy
  22. 51. positively charged particle
  23. 53. SI unit of length
  24. 54. the throwing back by a body or surface of light, heat, or sound without absorbing it.
  25. 55. an object in motion will stay in constant motion, unless it's acted upon by an unbalanced force
  26. 58. a path along which the whole current flows through each component
  27. 59. Potential energy plus kinetic energy
  28. 60. flow of electrons
Down
  1. 2. one of the instrument to measure pressure
  2. 3. frequency is above 20,000 Hz
  3. 4. neutral charged atom
  4. 5. the process of light bending around an obstacle or spreading out after it moves through a small space.
  5. 6. unit of power
  6. 7. the current flowing into a node (or a junction) must be equal to the current flowing out of it.
  7. 9. :The transfer of energy to a body by the application of a force that causes the body to move in the direction of the force
  8. 12. a point where the weight of the object seems to act
  9. 13. unit for measuring the intensity of sound
  10. 14. product of vibration of moving objects
  11. 16. Quantity that has both magnitude and direction
  12. 17. Amount of matter an object contains
  13. 18. unit of energy
  14. 20. engine :A machine that transform heat into mechanical energy or work.
  15. 23. :The energy an object has because of position, shape or condition of the object
  16. 25. :A quantity, usually expressed as a percentage that measures the ratio of useful work output to work input
  17. 26. Energy possessed due to its position
  18. 28. :A quantity defined as the product of the mass and the velocity of an object
  19. 29. : the distance traveled by the time interval during which the motion occurred
  20. 30. the change in direction of a wave passing from one medium to another
  21. 32. relating to a magnetic field produced by an electric current.
  22. 34. :A quantity that measures the rate at which work is done or energy is transformed
  23. 35. : objects change in position relative to a reference point
  24. 39. :The energy that is transferred as electromagnetic waves, such as visible light and infrared waves
  25. 42. force per unit area
  26. 43. emitted when sound bounces back on a hard surface
  27. 46. SI unit of time
  28. 47. : is a measure of how hot (or cold) something is
  29. 50. voltage across a conductor is directly proportional to the current flowing through it
  30. 52. Energy possessed due to its motion
  31. 56. SI unit of mass
  32. 57. : an action exerted on a body in order to change the body’s state of rest or motion;