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