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Circular Motion. Free Fall. Newton’s Laws. Projectile Motion. Misc. 1pt. 1 pt. 1 pt. 1pt. 1 pt. 2 pt. 2 pt. 2pt. 2pt. 2 pt. 3 pt. 3 pt. 3 pt. 3 pt. 3 pt. 4 pt. 4 pt. 4pt. 4 pt. 4pt. 5pt. 5 pt. 5 pt. 5 pt. 5 pt. “Centripetal” Acceleration means…?. Answer.

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  1. Circular Motion Free Fall Newton’s Laws Projectile Motion Misc. 1pt 1 pt 1 pt 1pt 1 pt 2 pt 2 pt 2pt 2pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4pt 4 pt 4pt 5pt 5 pt 5 pt 5 pt 5 pt

  2. “Centripetal” Acceleration means…? Answer

  3. Centripetal acceleration means…? “center-seeking”

  4. All circular motion has acceleration directed towards…? Answer

  5. All circular motion has acceleration directed towards…? The center of motion

  6. The acceleration of an object in circular motion does not depend on…? Answer

  7. The acceleration of an object in circular motion does not depend on…? mass

  8. All objects in circular motion move faster on the edge of the circle or in the middle? Answer

  9. All objects in circular motion move faster on the edge of the circle or in the middle? The edge

  10. The equation for centripetal force is just which equation re-written? Answer

  11. The equation for centripetal force is just which equation re-written? Newton’s Second Law

  12. This is the only force acting on objects in freefall? Answer

  13. This is the only force acting on objects in freefall? Gravity

  14. Freefall is the same as floating. T or F. Answer

  15. Freefall is the same as floating. T or F. False.

  16. Astronauts in space are freefalling constantly. T or F. Answer

  17. Astronauts in space are freefalling constantly. T or F. True

  18. Weightlessness is another form of freefall. Answer

  19. Weightlessness is another form of freefall. True.

  20. All objects in freefall have the same speed. T or F. Answer

  21. All objects in freefall have the same speed. T or F. It depends on if there is air resistance or not.

  22. In 10 words or less, list the three laws of motion. Answer

  23. In 10 words or less, list the three laws of motion. 1st: objects in motion, stay in motion, etc.

  24. Inertia is a property of mass. T or F. Answer

  25. Inertia is a property of mass. T or F. True.

  26. The equation for weight is a rearranged form of Newton’s First Law. Answer

  27. The equation for weight is a rearranged form of Newton’s First Law. No, 2nd Law.

  28. Daily Double

  29. Explain Newton’s 2nd Law in words. Answer

  30. Explain Newton’s 2nd Law in words. A net force on a mass causes and acceleration.

  31. The recoil of gun is explained by Newton’s 1st Law. T or F. Answer

  32. The recoil of gun is explained by Newton’s 1st Law. T or F. F, Newton’s 3rd Law.

  33. The vertical speed of a projectile never changes. Answer

  34. The vertical speed of a projectile never changes. False, it is always accelerating.

  35. What is the equation for the horizontal component of a projectile? Answer

  36. What is the equation for the horizontal component of a projectile? Vx = v0 cosθ

  37. The shape of the trajectory of a projectile is a…? Answer

  38. The shape of the trajectory of a projectile is a…? Parabola

  39. What is the definition of a projectile? Answer

  40. What is the definition of a projectile? Any object that is kicked, shot, or thrown and acted upon by gravity.

  41. What is the relationship between vertical velocity and horizontal velocity of a projectile? Answer

  42. What is the relationship between vertical velocity and horizontal velocity of a projectile? They are independent of each other

  43. Which is bigger: a mile or a kilometer? Answer

  44. Which is bigger: a mile or a kilometer? A kilometer

  45. What charge does a proton have? Answer

  46. What charge does a proton have? Positive

  47. Why is the sky blue? Answer

  48. Why is the sky blue? Because of the diffraction of sunlight through the atmosphere.

  49. What element do all living things have in common? Answer

  50. What element do all living things have in common? Carbon

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