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Y5 Forces and Motion

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    Science Forces and Motion
  •   Study   Slideshow
  • What force pulls a human back to earth when we jump?
    Gravity
  •  10
  • If two forces are equal and work in opposite directions what are they called?
    Balanced Forces
  •  15
  • What 2 things can increase friction?
    More weight and a rougher surface. (mer vikt och en grövre yta)
  •  20
  • Why does a crumpled peice of paper land before a flat sheet of paper
    Because there is less air resistance (luftmotstånd)
  •  15
  • Does an object with more mass (vikt) needs more force or less force to be moved?
    More force
  •  15
  • The force of an object is measured in ....
    N (Newtons!)
  •  15
  • What has the least friction: a snowboard on a snowyhill or a runner on the road
    The snowboarder
  •  15
  • In the image, what force is acting in arrow A
    Gravity
  •  15
  • What will NOT change if you go to the Moon: weight (Vikt) or mass (massa)?
    Mass (massa)
  •  20
  • If these kids are pulling with the same amount of force what will happen?
    They wont move
  •  15
  • A type of friction that happens when air pushes against a moving object and makes it slow down
    Air resistance
  •  15
  • If two forces are moving in opposite directions what are they called?
    Counterforces
  •  15
  • What type of energy does a ball have when you kick it?
    Kinetic Energy
  •  15
  • What type of energy does the skateboarder have at K?
    Potential Energy
  •  15
  • (Pick a force): The bike with thick tires slows down faster than the bike with thin tires
    Friction (or air resistance)
  •  20
  • (Pick a force) The man leans forward on his bike to go faster.
    Air resistance
  •  15