Physical Science Motion and Forces Worksheet

22. Newton's third law of motion. 23. Newton’s second law of motion. 24. B. 25. Unbalanced. 26. The rock supplies an upward reaction force on Sally equal to her weight. 27. opposes. 28. inertia or mass. 29. Your mass is the same because you didn't change the amount of matter, but the gravitational force decreased, decreasing your weight ................
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