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CPO Chapters 1 & 2! - PowerPoint PPT Presentation


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CPO Chapters 1 & 2!. Question 1 - 10. The slope of a position versus time graph represents this. Answer 1 – 10. What is speed?. Question 1 - 20. An object is dropped from rest and falls downward for 5 seconds. What is its average speed?. Answer 1 – 20. What is 24.5 m/s?. Question 1 - 30.

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Presentation Transcript
question 1 10
Question 1 - 10
  • The slope of a position versus time graph represents this.
answer 1 10
Answer 1 – 10
  • What is speed?
question 1 20
Question 1 - 20
  • An object is dropped from rest and falls downward for 5 seconds. What is its average speed?
answer 1 20
Answer 1 – 20
  • What is 24.5 m/s?
question 1 30
Question 1 - 30
  • Acceleration of an object must be caused by a force that is this.
answer 1 30
Answer 1 – 30
  • What is not zero?
question 1 40
Question 1 - 40
  • 2 km equals this many centimeters.
answer 1 40
Answer 1 – 40
  • What are 200,000?
question 1 50
Question 1 - 50
  • A unit of acceleration.
answer 1 50
Answer 1 – 50
  • What are m/sec2? (any speed/time)
question 2 10
Question 2 - 10
  • The term used to describe an object speeding up.
answer 2 10
Answer 2 – 10
  • What is acceleration?
question 2 20
Question 2 - 20
  • The term that refers to an object slowing down.
answer 2 20
Answer 2 – 20
  • What is deceleration?
question 2 30
Question 2 - 30
  • This may occur when an object is accelerated.
answer 2 30
Answer 2 – 30
  • What is a change in speed, a change in direction or both?
question 2 40
Question 2 - 40
  • Newton’s first law is also known as this.
answer 2 40
Answer 2 – 40
  • What is the Law of Inertia?
question 2 50
Question 2 - 50
  • Newton’s Second Law Formula
answer 2 50
Answer 2 – 50
  • What is F=ma
question 3 10
Question 3 - 10
  • Two horizontal forces are applied to a box, 5 N to the right and 12 N to the left. This is the motion of the box.
answer 3 10
Answer 3 – 10
  • What is 7N to the left.
question 3 20
Question 3 - 20
  • This is the acceleration due to gravity, numerically.
answer 3 20
Answer 3 – 20
  • What is 9.8 m/s2?
question 3 30
Question 3 - 30
  • When an object is accelerating due to the force of gravity with no other forces acting on it.
answer 3 30
Answer 3 – 30
  • What is free fall?
question 3 40
Question 3 - 40
  • The inertial of an object is related to this.
answer 3 40
Answer 3 – 40
  • What is mass?
question 3 50
Question 3 - 50
  • Gwen rides her bicycle 2.4 km up a steep hill in 8 minutes. This is her speed in km/min.
answer 3 50
Answer 3 – 50
  • What is 0.3 km/min?
question 4 10
Question 4 - 10
  • If you know the distance traveled and the amount of time it took, you can calculate speed using this equation.
answer 4 10
Answer 4 – 10
  • What is distance divided by time?
question 4 20
Question 4 - 20

This is how many centimeters tall a person who is 1.65 meters is.

answer 4 20
Answer 4 – 20
  • What is 165 cm?
question 4 30
Question 4 - 30
  • The newton is defined as this.
answer 4 30
Answer 4 – 30
  • What is the force that can give a 1 kg mass an acceleration of 1 m/s2?
question 4 40
Question 4 - 40
  • The amount of change in the speed of an object divided by the amount of time it took to change the speed.
answer 4 40
Answer 4 – 40
  • What is acceleration?
question 4 50
Question 4 - 50
  • When you throw a ball up in the air, the point where it stops and changes its direction to fall back down, this is zero.
answer 4 50
Answer 4 – 50
  • What is velocity/speed?
question 5 10
Question 5 - 10
  • This is the formula to calculate free fall distance.
answer 5 10
Answer 5 – 10
  • What is d=1/2gt2 or d=vavgt ?
question 5 20
Question 5 - 20
  • An apple falls from the top branch of a tree and lands 1 second later. This is the height of the branch.
answer 5 20
Answer 5 – 20
  • What is 4.9 m?
question 5 30
Question 5 - 30
  • Your science teacher drops a tennis ball out the window and it hits the ground 3 seconds later. This is the height of the window.
answer 5 30
Answer 5 – 30
  • What is 44.1 meters?
question 5 40
Question 5 - 40
  • You drop a ball from the edge of a cliff. It lands 4 seconds later. This is the balls average speed for the entire fall.
answer 5 40
Answer 5 – 40
  • What is 19.6 m/s?
question 5 50
Question 5 - 50
  • You drop a ball from the edge of a cliff. It lands 4 seconds later. This is the distance the ball falls.
answer 5 50
Answer 5 – 50
  • What is 78.4 meters?