1. Gravitational & Rotational Forces
Unit 3: Forces
Types of Forces
& FBD 2
Types of Forces
& FBD 1
Gravitational & Rotational Forces
Projectile Motion
Vocabulary
Mass vs. Weight
$100 (Skip)
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FINAL ROUND

2. $100 Question
What is mass?
ANSWER
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3. Measure of Matter It never doesn’t change due to gravity
$100 Answer
Measure of Matter It never doesn’t change due to gravity
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4. $200 Question
What is weight?
ANSWER
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5. The amount of gravity pulling on the mass
$200 Answer
The amount of gravity pulling on the mass
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6. What is the acceleration due to gravity on Earth?
$300 Question
What is the acceleration due to gravity on Earth?
ANSWER
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7. $300 Answer
9.8 m/s2
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8. A 100 kg person plays football. What is the person’s weight on Earth?
$400 Question
A 100 kg person plays football. What is the person’s weight on Earth?
ANSWER
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9. $400 Answer
100kg x 9.8m/s2 = 980N
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10. A rock weighs10N on Earth. What is the mass of the rock?
$500 Question
A rock weighs10N on Earth. What is the mass of the rock?
ANSWER
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11. $500 Answer
10N / 9.8m/s2 = 1.02 kg
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12. What direction does gravity pull?
$100 Question
What direction does gravity pull?
ANSWER
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13. $100 Answer
down
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14. What direction does air resistance work?
$200 Question
What direction does air resistance work?
ANSWER
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15. Opposite of Gravity (UP)
$200 Answer
Opposite of Gravity (UP)
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16. Is speed or velocity a vector?
$300 Question
Is speed or velocity a vector?
ANSWER
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17. Velocity because it has a magnitude quantity and direction.
$300 Answer
Velocity because it has a magnitude quantity and direction.
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18. What is an object with a net force of 0N doing?
$400 Question
What is an object with a net force of 0N doing?
ANSWER
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19. $400 Answer
Not Moving
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20. The force that works in the opposite direction of motion is __________
$500 Question
The force that works in the opposite direction of motion is __________
ANSWER
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21. $500 Answer
Friction
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22. What does the word equilibrium mean?
$100 Question
What does the word equilibrium mean?
ANSWER
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23. $100 Answer
Equal
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24. Draw a FBD on a person sitting in a chair.
$200 Question
Draw a FBD on a person sitting in a chair.
ANSWER
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25. $200 Answer
Normal Force (FN)
Gravitational Force (FG)
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26. What is the support force?
$300 Question
What is the support force?
ANSWER
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27. $300 Answer
Normal
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28. $400 Question
Draw a FBD of a lighting fixture (chandelier). Be sure your arrows are the correct length.
ANSWER
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29. Gravitational Force (FG)
$400 Answer
Tension Force (FT)
Gravitational Force (FG)
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30. A 10N box is at rest on a table. How much is the normal force?
$500 Question
A 10N box is at rest on a table. How much is the normal force?
ANSWER
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31. $500 Answer
10N (normal/up)
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32. $100 Question
SKIP
ANSWER
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33. $100 Answer
SKIP
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34. $200 Question
According to Law of Universal Gravitation, if the mass increase, then the force will ____.
ANSWER
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35. Conversions $200 Answer
Increase
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36. $300 Question
According to Law of Universal Gravitation, if the distances of the objects increase, then the force will ____.
ANSWER
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37. $300 Answer
Decrease
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38. What happens when centripetal force stops?
$400 Question
What happens when centripetal force stops?
ANSWER
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39. Object will fly straight away
$400 Answer
Object will fly straight away
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40. $500 Question
What is the centripetal force on a rollercoaster with a radius of 10 meters that is traveling at a velocity of 3 m/s and has a car with a total mass of 100 kg?
ANSWER
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41. Conversions $500 Answer
90N
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42. Projectile Motion $100 Question
The path of a projectile follows is called its
ANSWER
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43. $100 Answer
Trajectory
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44. $200 Question
The trajectory of a projectile is a special type of arch-shaped curve called a
ANSWER
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45. $200 Answer
Parabola
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46. $300 Question
The highest point a projectile travels to is called the _________________.
ANSWER
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47. $300 Answer
Peak
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48. The horizontal distance a projectile travels is called
$400 Question
The horizontal distance a projectile travels is called
ANSWER
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49. Graph $400 Answer
Range
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50. During a launch – which is true?
$500 Question
During a launch – which is true?
Horizontal velocity changes and vertical velocity remains constant.
Vertical velocity changes and horizontal velocity remains constant.
Both Horizontal and Vertical velocities remain constant.
ANSWER
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51. Vertical velocity changes and horizontal velocity remains constant
$500 Answer
Vertical velocity changes and horizontal velocity remains constant
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52. How are speed and velocity different?
Vocabulary $100 Question
How are speed and velocity different?
ANSWER
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53. Velocity is speed with direction.
$100 Answer
Velocity is speed with direction.
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54. When is an object in terminal velocity?
$200 Question
When is an object in terminal velocity?
ANSWER
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55. Gravitational = Friction (Air Resistance)
$200 Answer
Gravitational = Friction (Air Resistance)
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56. What is a situation where sliding friction would be present?
$300 Question
What is a situation where sliding friction would be present?
ANSWER
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57. Pushing a box, falling on ice, hockey puck
$300 Answer
Pushing a box, falling on ice, hockey puck
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58. What is a situation where rolling friction would be present?
$400 Question
What is a situation where rolling friction would be present?
ANSWER
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59. $400 Answer
Pulling a suitcase
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60. $500 Question
What is the net force?
ANSWER
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61. Overall Force on an object
$500 Answer
Overall Force on an object
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62. FINAL ROUND Question
Why does a golf ball land in the same location for 80o and 10o or 60o and 30o?
ANSWER
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63. FINAL ROUND Answer
They are equal distance from 45 degrees. The angle with the highest peak.
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