Across
- 5. Hp
- 8. change in appearance
- 10. change in composition
- 13. A material through which an electric charge is readily transferred
- 14. unit of work
- 16. he scale of temperature having a single fixed point, the temperature of the triple point of water, which is assigned the value 273.16 oK.
- 18. A unit of pressure, equal to the pressure resulting from a force of 1 Newton acting uniformly over an area of 1m2.
- 19. friction in any kind of fluid
- 20. law For a given mass of a gas at constant temperature, the volume of the gas is inversely proportional to the pressure.
- 22. path of projectile
- 24. principle that A body immersed in a fluid experiences an apparent loss in weight which is equal to the weight of the fluid displaced by the body
- 25. point of The temperature at which a phase change of liquid to gas takes place through boiling. It is the same temperature as the condensation point
- 28. This is a way of moving heat energy around
- 29. forces lie on the same plane
- 32. The ability of an object to return to its original size or shape when the external forces producing distortion are removed.
- 34. the relative amount of distortion produced in a body under stress.
- 36. defined as the body’s mass multiplied by its velocity.
- 38. third law of motion
- 39. describes motion
- 41. second law of motion
- 45. horizontal distance travelled by the object
- 46. sum of two vectors
- 48. wavelength that is visible to the human eye
- 49. doesn’t change the state of motion
- 52. The property of a body to resist a change in its state of rest or of uniform motion.
- 53. quantity with magnitude and direction
- 54. standard unit of force
- 56. The gravitational attraction at the surface of a planet or other celestial body.
- 57. Anything that occupies space and has mas
Down
- 1. science of matter
- 2. Materials like wood that are poor conductors of heat or electricity.
- 3. forces that meet at the same point
- 4. The product of force and time for which force acts, also equal to the change in momentum.
- 6. rate of doing work
- 7. change of displacement
- 9. The lowest energy state of an atom.
- 11. The actual path length covered by a body. It is a scalar quantity.
- 12. The force of attraction between unlike molecules.
- 15. friction at rest
- 17. unit of power
- 21. motion projected with an angle
- 23. he change of phase from a liquid to a gas or vapor.
- 26. frame of reference
- 27. The force per unit area
- 30. motion on a straight line
- 31. quantity with magnitude
- 33. moment of force
- 35. is the SI unit of electrical current
- 37. velocity at an instant
- 40. push or pull exerted by the body
- 42. The quantity of heat equal to 4.19 joules.
- 43. resistance which opposes movement
- 44. Atoms whose nuclei contain the same number of protons but different numbers of neutrons.
- 45. friction circular in motion
- 47. friction in motion
- 50. An instrument that measures atmospheric pressure, used in weather forecasting and in determining elevation above sea level
- 51. where the center of gravity of a regular body is
- 55. product of force and distance