Game Preview

Unit 5.1. Gravity, normal forces and applied for ...

  • Game Code: 3986705
  •  Vietnamese    25     Public
    Science 4 Stage 5
  •   Study   Slideshow
  • In the force diagram this arrow indicates ___.
    Normal Force
    Friction
    Force
    Gravity
  •  15
  • A _____ is a support force.
    Contact Force
    Unbalanced Force
    Balanced Force
    Normal Force
  •  15
  • Which type of force is this?
    Gravitational Force
    Frictional Force
    Applied Force
    Balanced Force
  •  15
  • ___ is the force which attracts or pulls all objects towards the Earth.
    Normal Force
    Frictional Force
    Applied Force
    Gravity
  •  15
  • A(n) _____ is a force applied by a person or object onto another object.
    applied force
    normal force
    magnetic force
    electric force
  •  15
  • The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:
    normal force
    applied force
  •  15
  • In a force diagram, the arrow show ___
    friction
    gravity
    normal force
  •  15
  • Why does the picture show you an applied force?
    The girl do not move the trolley
    The trolley have wheels to move forward and backward
    The girl moved the trolley by pulling it
    The girl moved the trolley by pushing it
  •  15
  • Name the missing force....
    frictional force
    normal force
    weight force
    tension force
  •  15
  • What is gravity?
    A force made by machines
    A force that pulls objects toward the Earth
    A force that pushes objects upward
    A force caused by air
  •  15
  • What happens when you drop a book?
    It falls toward the ground
    It disappears
    It floats in the air
  •  15
  • To use force to cause something to move closer.
    Push
    Pull
  •  15
  • A push or pull exerted on an object.
    Pitch
    Speed
    Force
  •  15
  • Why do objects fall down instead of up?
    Because the ground attracts them
    Because air pushes them down
    Because gravity pulls them downward
    Because objects are heavy
  •  15
  • If there were no gravity on Earth, what would happen to objects?
    They would float away
    They would fall faster
    They would become heavier
    They would stay still
  •  15
  • Which force causes rain to fall from clouds to the ground?
    Friction
    Gravity
    Magnetism
    Wind
  •  15
    • Your experience on this site will be improved by allowing cookies.