1. UNIT 2 EXAM

2. Review Stuff

3. Newtons Laws

4. Energy

5. Machines

6. Problems

7. Jeopardy
Newtons Laws
Machines
Review Stuff
Energy
Problems
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300
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500
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8. How many seconds are there in 3 days
1 pt
How many seconds are there in 3 days
Game board
Answer .

9. How many cm are there in a stick that is 3 meters long
2 pt
How many cm are there in a stick that is 3 meters long
Answer
Game board .

10. 3 pt
In one-half hour, a bicyclist traveled 20 km. What was the average speed
Game board
Answer .

11. List the metric prefixes in order from smallest to largest
4 pt
List the metric prefixes in order from smallest to largest
Game board
Answer .

12. 5 pt
A sled accelerates from 10 m/s to 50 m/s in 2 sec. What is the acceleration
Game board
Answer .

13. What is the weight of a rock that weights 49 N?
1 pt
What is the weight of a rock that weights 49 N?
Game board
Answer .

14. Objects that tend to resist changes in motion display this property
2 pt
Objects that tend to resist changes in motion display this property
Game board
Answer .

15. 3 pt
A boat moves through the water because of a rowing motion…which law am I?
Game board
Answer .

16. 4 pt
A 200 kg object accelerates at 50 m/s2 so how large of a force do I need to apply
Game board
Answer .

17. Who was the man who described Newton’s Laws?
5 pt
Who was the man who described Newton’s Laws?
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Answer .

18. As a car is slowed, most of its KE is converted by the brakes into?
1 pt
As a car is slowed, most of its KE is converted by the brakes into?
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Answer .

19. 2 pt
When a ball is thrown in the air, the PE gained must come from KE. As the ball gains PE, its speed?
Game board
Answer .

20. 3 pt
Work is defined as?
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Answer .

21. PE is defined as__; while KE is defined as___
4 pt
PE is defined as__; while KE is defined as___
Game board
Answer .

22. How much power is required to do 50 J of work in 5 seconds
5 pt
How much power is required to do 50 J of work in 5 seconds
Game board
Answer .

23. An example of a compound machine is a ____
1 pt
An example of a compound machine is a ____
Game board
Answer .

24. An axe is an example of a (an) ____
2 pt
An axe is an example of a (an) ____
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Answer .

25. A lever rotates around a fixed point called a ____
3 pt
A lever rotates around a fixed point called a ____
Game board
Answer .

26. A stationary object has?
4 pt
A stationary object has?
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Answer .

27. 5 pt
If I am curling a dumb-bell in the weightroom, which class of lever is my arm
Game board
Answer .

28. Work is measured using units of _____
1 pt
Work is measured using units of _____
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Answer .

29. On the surface of the Earth, the force of gravity acting on 1 kg is
2 pt
On the surface of the Earth, the force of gravity acting on 1 kg is
Game board
Answer .

30. 3 pt
Which is easier to stop: a .15 kg baseball or a 7.25 kg bowling ball? Why?
Game board
Answer .

31. 4 pt
If you perform 30 J of work lifting a 20 N box, how high did you lift the box
Game board
Answer .

32. 5 pt
A tow truck pulls a 2,000 kg car with a net force of 4,000 N. What is the acceleration of the car?
Game board
Answer .

33. 1 pt A.
259,200 Seconds
Game board

34. 2 pt A
300 cm
Game board

35. 3 pt A
40 km/hr
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36. Milli, centi, deci, meter, Deka, Hecto, Kilo
4 pt A
Milli, centi, deci, meter, Deka, Hecto, Kilo
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37. 5 pt A
20 m/s2
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38. 1 pt A
5 kg
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39. 2pt A
Inertia
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40. 3rd law of motion—action – reaction law
3 pt A
3rd law of motion—action – reaction law
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41. 4 pt A
10,000 Newtons
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42. 5 pt A
Sir Isaac Newton
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43. 1 pt A
Thermal Energy
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44. 2 pt A
Decrease
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45. Force multiplied by a given distance perpendicular to the force
3 pt A.
Force multiplied by a given distance perpendicular to the force
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46. Stored energy and energy of motion
4 pt A
Stored energy and energy of motion
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47. 5 pt A
10 Watts
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48. 1 pt A
bicycle
Game board

49. 2 pt A
wedge
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50. 3 pt A
Fulcrum
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51. Inertia but no momentum (object is at rest)
4 pt A
Inertia but no momentum (object is at rest)
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52. 3rd class lever (output/effort force on end)
5 pt A
3rd class lever (output/effort force on end)
Game board

53. 1 pt A
Joules (J)
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54. 2 pt A
9.8 Newtons
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55. The baseball because it has less inertia
3 pt A
The baseball because it has less inertia
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56. 4 pt A
1.5 meters
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57. 5 pt A
2 m/s/s or 2 m/s2
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58. Final Jeopardy
Category

59. When is the Homecoming Game?

60. Friday, Oct. 14