Mastering Newton's Laws of Motion: Jeopardy Challenge

1. Laws of Motion Welcome to Jeopardy

2. Laws of Motion Jeopardy Newton’s First Law Newton’s Second Law Newton’s Third Law Horizontal and Vertical Motion Math and Graphs 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Final Jeopardy

3. Newton’s First Law 100 • Question-- What is Newton’s first law?

4. Newton’s First Law 100 • Answer-- A body in motion tends to stay in motion, a body at rest tends to stay at rest

5. Newton’s First Law200 • Question-- What will a moving object do if no force acts upon it?

6. Newton’s First Law200 • Answer—Continue moving with a constant velocity

7. Newton’s First Law300 • Question-- What will happen to a penguin figurine that starts moving 30 m/s on a frictionless surface

8. Newton’s First Law300 • Answer--The penguin will continue to move at 30 m/s

9. Newton’s First Law400 • Question-- What must happen if a body is to change velocity?

10. Newton’s First Law400 • Answer-- A force must act upon the object

11. Newton’s First Law500 • Question-- What is the name of the property that causes a body to maintain constant motion

12. Newton’s First Law500 • Answer--Inertia

13. Newton’s Second Law 100 • Express Newton’s second law as an equation

14. Newton’s Second Law100 • Answer-- F=ma

15. Newton’s Second Law200 mass one mass one • If mass one is double mass two, and I want mass one and mass two to accelerate at the same rate, then the force on mass one must be _____ the force on mass two

16. Newton’s Second Law200 • Answer-- double

17. Newton’s Second Law300 • Question-- If the applied force is 25 N and the mass is 5 kg then what is the acceleration? 25 N 5 kg

18. Newton’s Second Law300 • Answer-- 5 m/s2 F=m.a 25N=5kg . 5m/s2

19. Newton’s Second Law400 • Question-- What is one newton equivalent to in SI units? Use meters, kilograms, and seconds.

20. Newton’s Second Law400 • Answer-- 1N=1kg.m/s2

21. Newton’s Second Law500 • Question-- What goes on the unlabeled axis if force is constant? ? time

22. Newton’s Second Law500 • Answer-- Velocity Constant force causes constant acceleration which is shown by a velocity with a constant slope

23. Newton’s Third Law 100 • Question-- What is Newton’s third law?

24. Newton’s Third Law100 • Answer--Every action has an equal but opposite reaction

25. Newton’s Third Law200 • Question--If I push on the wall with 100 N of force, how hard does the wall push on me in reaction?

26. Newton’s Third Law200 • Answer-- 100 N

27. Newton’s Third Law300 • Question-- Gravity pushes things down. What is the name of the opposing force that pushes things up?

28. Newton’s Third Law300 • Answer-- the normal force

29. Newton’s Third Law400 • Question-- When a fish swims, what is pushing it forward? What is the other half of the action/reaction pair?

30. Newton’s Third Law400 • Answer--The water pushes the fish forward, in reaction to the fish pushing backward on the water.

31. Newton’s Third Law500 • Question-- If the box below is not moving, what is missing from the free body diagram? FN= ? N Fpush= ? N Ff= 5 N F= -10 N

32. Newton’s Third Law500 • Answer FN= 10 N Fpush= -5 N Ffriction= 5 N Fg= -10 N

33. Horizontal and Vertical Motion 100 • Question-- If a bullet is dropped at the same time that a bullet is shot horizontally and we ignore air resistance, which will hit first?

34. Horizontal and Vertical Motion100 • Answer--Both will hit at the same time

35. Horizontal and Vertical Motion200 • Question-- Horizontal motion maintains a constant velocity. What is the equation for distance traveled?

36. Horizontal and Vertical Motion200 • Answer– d=v.t

37. Horizontal and Vertical Motion300 • Question-- For vertical motion, velocity increases at a constant rate do to gravity. What is the equation for vertical velocity?

38. Horizontal and Vertical Motion300 • Answer-- v = a .t or v = 10 .t

39. Horizontal and Vertical Motion400 • Question-- For vertical motion, velocity increases at a constant rate do to gravity. What is the equation for vertical distance if the object starts with no vertical velocity?

40. Horizontal and Vertical Motion400 • Answer-- d = ½ a . t2 or d = 5 .t2

41. Horizontal and Vertical Motion500 • Question-- When there is both initial velocity and acceleration, what is the combined equation for distance?

42. Horizontal and Vertical Motion500 • Answer-- d = v0.t + ½ a .t2 v0=initial velocity

43. Math and Graphs100 • Question-- A cart is pushed on a frictionless surface so that it travels at 2.5 m/s. How far does it travel in 3 seconds?

44. Math and Graphs100 • Answer-- 7.5 m d=v .t

45. Math and Graphs200 • Question-- How far down will a rock fall in 2 seconds if it is thrown horizontally with a speed of 1 m/s?

46. Math and Graphs200 • Answer-- 20 m d=½ a .t2 a=gravity=10 m/s2 t=time=2 sec Horizontal velocity does not effect vertical velocity

47. Math and Graphs300 • Question-- If my weight is 700 N on Earth, what is my weight on Venus where the force of gravity is 9 m/s2?

48. Math and Graphs300 • Answer-- 630 N F=ma 700N=m.10m/s2, m=70kg F=ma, F=70kg.9m/s2=630N

49. Math and Graphs400 • Question-- I have a wagon with a mass of 5 kg at rest. I want it to be traveling 8 m/s after 4 seconds of pulling. How much force do I need to pull with?

50. Math and Graphs400 • Answer-- 10 N a=v/t=(8m/s)/4s=2m/s2 F=ma=5kg . 2m/s2=10N