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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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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 • Acceleration of an object must be caused by a force that is this.
Answer 1 – 30 • What is not zero?
Question 1 - 40 • 2 km equals this many centimeters.
Answer 1 – 40 • What are 200,000?
Question 1 - 50 • A unit of acceleration.
Answer 1 – 50 • What are m/sec2? (any speed/time)
Question 2 - 10 • The term used to describe an object speeding up.
Answer 2 – 10 • What is acceleration?
Question 2 - 20 • The term that refers to an object slowing down.
Answer 2 – 20 • What is deceleration?
Question 2 - 30 • This may occur when an object is accelerated.
Answer 2 – 30 • What is a change in speed, a change in direction or both?
Question 2 - 40 • Newton’s first law is also known as this.
Answer 2 – 40 • What is the Law of Inertia?
Question 2 - 50 • Newton’s Second Law Formula
Answer 2 – 50 • What is F=ma
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 • What is 7N to the left.
Question 3 - 20 • This is the acceleration due to gravity, numerically.
Answer 3 – 20 • What is 9.8 m/s2?
Question 3 - 30 • When an object is accelerating due to the force of gravity with no other forces acting on it.
Answer 3 – 30 • What is free fall?
Question 3 - 40 • The inertial of an object is related to this.
Answer 3 – 40 • What is mass?
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 • What is 0.3 km/min?
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 • What is distance divided by time?
Question 4 - 20 This is how many centimeters tall a person who is 1.65 meters is.
Answer 4 – 20 • What is 165 cm?
Question 4 - 30 • The newton is defined as this.
Answer 4 – 30 • What is the force that can give a 1 kg mass an acceleration of 1 m/s2?
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 • What is acceleration?
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 • What is velocity/speed?
Question 5 - 10 • This is the formula to calculate free fall distance.
Answer 5 – 10 • What is d=1/2gt2 or d=vavgt ?
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 • What is 4.9 m?
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 • What is 44.1 meters?
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 • What is 19.6 m/s?
