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Force Pre/Post
Contribuição de: Barent
  • 1. A push or pull on matter is called a...
A) acceleration
B) mass
C) inertia
D) force
  • 2. A force that causes a change in motion is...
A) momentum
B) balanced
C) inertia
D) unbalanced
  • 3. Forces that do not cause changes in motion are...
A) momentum
B) unbalanced
C) balanced
D) inertia
  • 4. All of the forces that act on an object add up to equal...
A) net inertia
B) net force
C) mass
D) acceleration
  • 5. An object tends to keep doing what it is doing because it has...
A) temperature
B) volume
C) weight
D) inertia
  • 6. How much matter there is in an object is measured by...
A) density
B) temperature
C) volume
D) mass
  • 7. Newton's first law is about...
A) momentum
B) action/reaction
C) inertia
D) acceleration
  • 8. Newton's second law is about...
A) volume
B) momentum
C) inertia
D) force, mass and acceleration
  • 9. Force is measured in...
A) m/s
B) g
C) newtons
D) m/s/s
  • 10. A force that acts in opposition to motion is called...
A) push
B) friction
C) gravity
D) centripetal
  • 11. Newton's third law is about...
A) volume
B) inertia
C) F=ma
D) action and reaction
  • 12. All objects accelerate towards the earth at...
A) 98 m/s/s
B) 1m/s/s
C) based on their mass
D) 9.8 m/s/s
  • 13. Projectiles have...
A) only horizontal motion
B) only gravity
C) only vertical motion
D) both horizontal and vertical motion
  • 14. The momentum that goes into a collision equals
A) the momentum that comes out
B) the smaller objects momentum
C) the difference of the two starting momentums
D) the larger objects momentum
  • 15. Momentum depends on
A) meters and seconds
B) mass and velocity
C) time and temperature
D) mass and meters
  • 16. Which force is universal and depends on mass and distance?
A) Gravity
B) Friction
C) Centripetal
D) Outside
  • 17. An airplane has a mass of 6000 kg. What is its mass on the moon?
A) 1000 kg
B) 6000 kg
C) 600 N
D) 600kg
  • 18. Which object has the most momentum?
A) Bowling ball with a velocity of 20 m/s north
B) Ping pong ball with velocity of 10 m/s south
C) Car holding still
D) Feather holding still
  • 19. What is an example of a balanced force?
A) Turning a corner with cruise control set
B) Constant speed
C) Acceleration
D) Lifting a book
  • 20. Which type of friction is experienced by a person falling through the air?
A) Rollong
B) Fluid
C) Sliding
D) Liquid
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