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