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1-2 CIA Review Questions

1-2 CIA Review Questions. We are learning to: explain how acceleration is a change in an object’s speed or direction We are looking for: the change in an object’s motion, which is caused by either speeding up, slowing down, or changing direction.

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1-2 CIA Review Questions

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  1. 1-2 CIA Review Questions

  2. We are learning to: explain how acceleration is a change in an object’s speed or directionWe are looking for: the change in an object’s motion, which is caused by either speeding up, slowing down, or changing direction

  3. Which of the following is NOT an example of acceleration? • Walking in a straight line at a constant speed • Approaching a stop sign • A ball rolling down a hill • Turning around a corner at a constant speed

  4. Which of the following best describes a decrease in speed? • Positive Acceleration • Negative Acceleration • Constant velocity • Average speed

  5. Suzie is running around a track at a constant speed of 5 m/s. Why is she accelerating? • She is running at a constant speed • She is changing direction • She is speeding up • She is slowing down

  6. What is plotted on the y-axis when graphing acceleration? • Speed • Time • Distance • Acceleration

  7. We are learning to: explain balanced and unbalanced forces We are looking for: Balanced forces result in zero net for and no acceleration. Unbalanced forces result in acceleration of the object in the direction of the greater forceWe are learning to: explain how friction impacts the motion of an objectWe are looking for: friction opposes motion

  8. Force is measured in units of… • m/s • Newtons • m/s2 • grams

  9. 40 N 30 N What is the net force? • 10 N to the left • 10 N to the right • 0 N • 10 N

  10. 40 N 40 N What is the Net Force? • 10 N to the left • 10 N to the right • 0 N • 10 N

  11. Which of the following arrows represents the force of friction? D • A • B • C • D B C A

  12. Which one of the following forces opposes motion? • gravity • friction • applied force • centripetal force

  13. We are learning to: explain how gravity affects the motion of an object.We are looking for: gravitational pull causes objects to accelerate.

  14. Why does the Earth have more gravity than the moon? • The moon revolves faster than the Earth • The moon has less mass than the Earth • Earth is a greater distance from the sun. • The Earth has more water on it. • I don’t know – I need help!

  15. Ignoring air resistance, what object will hit the ground first when each is dropped from the same height? • Baseball • Bowling ball • Both will hit at same time • I don’t know- I need help!

  16. Which statement best describes gravity? • Gravity pushes objects towards Earth • Gravity acts on all objects unless they are moving • Gravity pulls objects towards Earth • Gravity is as strong on Earth as on the moon • I don’t know – I need help!

  17. An object reaches its terminal velocity when… • the force of gravity is greater • the force of gravity and the force of air resistance are balanced • the force of air resistance is greater • I don’t know – I need help!

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