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Force Newton Projectile motion Terminal velocity Kgm /s 2 Opposite; reduces Vector Downward Net force Gravity Zero. 12. Fluid friction 13. Accelerates 14. Static friction 15. Friction 16. Sliding friction 17. Downward center 18. Rolling friction
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Force Newton Projectile motion Terminal velocity Kgm/s2 Opposite; reduces Vector Downward Net force Gravity Zero 12. Fluid friction 13. Accelerates 14. Static friction 15. Friction 16. Sliding friction 17. Downward center 18. Rolling friction 19. Air resistance; gravity 20. Fluid friction, static friction, sliding friction, rolling friction 21. Universal 22. 2; 2
Moon Nuclear Strong; weak Gravitation; electromagnetic force; strong force; weak force Gravity Magnetic; electric Electric Repulsion Attraction 32. Repel 33. Attract 34. Centripetal 35. Weak; large 36. Strong force; weak force 37. Small 38. Gravitational 39. Car hits truck moon pulls on earth box pulls on earth
3 m/s2 53. 35 m/s 300 N 54. 8.8 m/s A 2.7 m/s2; B 27 m/s A. 147 m/s; B 196 N A. 6 m/s2; B 147 N 539N 9.7 kg 16 N 9.7 kg 5626 kgm/s 4.3 m/s 12 m/s 52. 3.8 m/s