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3rd Quarter CRT Review - 2

3rd Quarter CRT Review - 2. 8.0. 8.1. 9.0. 9.1. ?. ??. 5. 5. 5. 5. 5. 5. 10. 10. 10. 10. 10. 10. 15. 15. 15. 15. 15. 15. 20. 20. 20. 20. 20. 20. 25. 25. 25. 25. 25. 25. ASCOS #8.0 – 5 points. Question

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3rd Quarter CRT Review - 2

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  1. 3rd Quarter CRT Review - 2 8.0 8.1 9.0 9.1 ? ?? 5 5 5 5 5 5 10 10 10 10 10 10 15 15 15 15 15 15 20 20 20 20 20 20 25 25 25 25 25 25

  2. ASCOS #8.0 – 5 points Question What factor explains the tendency of all objects to resist any change in motion?

  3. ASCOS #8.0– 10 points Question What type of activity best demonstrates Newton’s third law of motion?

  4. ASCOS #8.0– 15 points Question When the brakes are suddenly applied to a moving vehicle, what causes a person to continue to move forward in his seat?

  5. ASCOS #8.0– 20 points Question Which of Newton’s laws explain inertia?

  6. ASCOS #8.0– 25 points Question Which of Newton’s Laws states that for every action there is an equal and opposite reaction?

  7. ASCOS #8.1– 5 points Question If an astronaut throws a ball in space, when will the ball stop?

  8. ASCOS #8.1– 10 points Question When the driver of a car suddenly makes a sharp turn, why will the passenger slide to the side of the car?

  9. ASCOS #8.1– 15 points Question Use Newton’s second law of motion (F=ma) to calculate the acceleration of a 12 kg mass if a force of 45 N acts on it.

  10. ASCOS #8.1– 20 points Question Use Newton’s second law of motion (F=ma) to calculate the mass of an object when a force of 28 N accelerates the object 3 m/s/s.

  11. ASCOS #8.1– 25 points Question Given the formula, (acceleration = final velocity – starting velocity divided by time), what is the acceleration of the wind if it blows with a velocity of 15 m/s south and five seconds later, the wind’s velocity is 20 m/s south?

  12. ASCOS #9.0– 5 points Question What type of simple machine is a jar lid?

  13. ASCOS #9.0– 10 points Question Two bicycles ramps have the same height. The first ramp is twice as long as the second ramp. Why does the first ramp have a better mechanical advantage?

  14. ASCOS #9.0– 15 points Question What type of simple machine is an inclined plane with one or two slanting sides?

  15. ASCOS #9.0– 20 points Question When a machine increases the size of the force exerted, what happens to the distance through which the force is exerted?

  16. ASCOS #9.0– 25 points Question To open a bottle, Mary applies a force of 90 N to the bottle opener. The bottle opener applies a force of 225 N to the bottle cap. What is the mechanical advantage of the bottle opener?

  17. ASCOS #9.1– 5 points Question A syringe with air is stoppered. It is then pushed in. What can be said of the original air pressure as compared to the final air pressure?

  18. ASCOS #9.1– 10 points Question What is the density of a 50 cm3 sample of liquid with a mass of 300 g? (D=m/v)

  19. ASCOS #9.1– 15 points Question What is the pressure exerted on the floor by a 5,000 N crate with an area of 10 m2? (Pa=F/a)

  20. ASCOS #9.1– 20 points Question What is the SI unit for pressure?

  21. ASCOS #9.1– 25 points Question What is the weight of a rock with an area of 10m2 that exerts a pressure of 250 Pa in correct SI units? (Pa=F/a)

  22. ASCOS #10.0– 5 points Question What is the SI unit for energy?

  23. ASCOS #9.1– 10 points Question What volume of fluid does an object displace?

  24. ASCOS #9.1– 15 points Question What would happen if astronauts, who wear pressurized suits in space, took their suits off to go outside of the spaceship?

  25. ASCOS #9.1– 20 points Question Why do hydraulic devices use liquids instead of gases?

  26. ASCOS #9.1– 25 points Question Why do you not notice atmospheric pressure on your body?

  27. ASCOS #8.1– 5 points Question What causes the napkins to stay on the picnic table even though there is a slight breeze?

  28. ASCOS #8.1– 10 points Question What factors cause a change in acceleration?

  29. ASCOS #8.1– 15 points Question What is needed to calculate an object’s acceleration?

  30. ASCOS #8.1– 20 points Question What is the force that opposes motion between two surfaces that are touching?

  31. ASCOS #8.1– 25 points Question What type of friction is also known as air resistance?

  32. ASCOS #8.0 Topic Identify Newton’s Three Laws of Motion.

  33. ASCOS #8.1 Topic Identify and calculate the elements of motion.

  34. ASCOS #9.0 Topic Describe how mechanical advantages of simple machines reduce the amount of force needed for work.

  35. ASCOS #9.1 Topic Describe the effect of force on pressure in fluids.

  36. ASCOS # ? Topic Differentiate between kinetic and potential energy. & Describe the affect of force on pressure in a fluid.

  37. ASCOS # ?? Topic Hodge Podge – a mixture of questions from all objectives.

  38. ASCOS # 8.0 Answer inertia

  39. ASCOS # 8.0 Answer A rocket maneuvering in space, a balloon flying around the room, you sitting in a chair, a rocket launching at Cape Canaveral

  40. ASCOS # 8.0 Answer inertia

  41. ASCOS # 8.0 Answer first law of motion

  42. ASCOS # 8.0 Answer Newton’s third law

  43. ASCOS # 8.1 Answer The ball will remain in motion forever or until it hits another object.

  44. ASCOS # 8.1 Answer inertia

  45. ASCOS # 8.1 Answer 3.75 m/s/s [F=ma; therfore a=F/m = 45N/12kg = 3.75 m/s/s

  46. ASCOS # 8.1 Answer 9.3 kg [F=ma; therefore m=F/a = 28N/3m/s/s = 9.3 kg]

  47. ASCOS # 8.1 Answer 1 m/s/s south [Vf – Vs /t = 20m/s – 15m/s ÷ 5s = 5 m/s ÷ 5s = 1 m/s/s.]

  48. ASCOS # 9.0 Answer screw

  49. ASCOS # 9.0 Answer The ramp is longer so less force is required to ride up.

  50. ASCOS # 9.0 Answer wedge

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