Across
- 2. factor describing relativistic effects at high speed (8,6)
- 6. resultant force equals mass multiplied by acceleration (8,6,3)
- 7. quantity describing condition of thermodynamic system (5,8)
- 11. objects appear shorter in direction of motion (6,11)
- 12. warming caused by absorption of infrared radiation by gases in atmosphere (11,6)
- 14. energy required to raise temperature of one kilogram by one kelvin (8,4,8)
- 18. study of heat work and internal energy (14)
- 22. time measured in rest frame of event (6,4)
- 25. total momentum remains constant in isolated system (12,2,8)
- 28. perpendicular distance from pivot to force (5,3)
- 31. angle moved during rotational motion (7,12)
- 36. resultant force directed towards centre of circular motion (11,5)
- 37. process occurring at constant temperature (11,7)
- 38. physics of motion at speeds close to speed of light (10)
- 39. energy stored due to position in gravitational field (13,9,6)
Down
- 1. maximum possible speed in the universe (5,2,5)
- 3. moving clocks run more slowly (4,8)
- 4. events occurring at same time may differ between reference frames (12)
- 5. rate of change of angular velocity (7,12)
- 8. energy possessed due to motion (7,6)
- 9. clockwise moments equal anticlockwise moments (10,11)
- 10. length measured in object’s rest frame (6,6)
- 13. measure of disorder or randomness of a system (7)
- 15. collision in which kinetic energy is not conserved (9,9)
- 16. total random kinetic and potential energy of particles (8,6)
- 17. pressure inversely proportional to volume at constant temperature (7,3)
- 18. body that can absorb or supply heat without temperature change (7,9)
- 19. electromagnetic radiation emitted by ideal absorber (10,9)
- 20. process with no heat transfer (9,7)
- 21. reference frame moving at constant velocity (8,5)
- 23. two equal and opposite forces producing rotation (6)
- 24. force multiplied by perpendicular distance from pivot (6)
- 26. turning effect of a force about a pivot (6)
- 27. energy supplied equals change in internal energy plus work done (5,3,2,14)
- 29. rate of change of angular displacement (7,8)
- 30. collision in which kinetic energy is conserved (7,9)
- 32. device converting thermal energy into mechanical work (4,6)
- 33. volume directly proportional to absolute temperature at constant pressure (8,3)
- 34. point at which mass may be considered concentrated (6,2,4)
- 35. equation pressure multiplied by volume equals moles multiplied by gas constant and temperature (5,3,8)