What is the dependent variable in Investigation 1? A
the motion of the cart

B
the weight of the cart

C
the force applied by the children

D
the number of children pulling the rope

The dependent variable is the variable that is being measured or tested in an experiment. ... When researchers make changes to the independent variable, they then measure any resulting changes to the dependent variable

Explanation:

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1. c 6. b. 11. c

2. a 7. d. 12. d

3. c 8. b. 13. c

4. d 9. c. 14. d

5. c 10. d. 15. a

16. d. 21. a

17. d.

18. a. 22-30 you must do on

19. d. your own

20. d.