Forces by Xinyu Gu https://padlet.com/j013675/8cmxxl0ich71 By Xinyu en-us 2017-12-06 09:09:59 UTC 2017-12-07 07:47:29 UTC hello@padlet.com j013675 https://padlet.com/j013675/8cmxxl0ich71/wish/213612389 Force is a push or pull on an object. It can cause an object to accelerate(speed up), slow down or change places.]]> 2017-12-06 09:11:52 UTC https://padlet.com/j013675/8cmxxl0ich71/wish/213612389 j013675 https://padlet.com/j013675/8cmxxl0ich71/wish/213613570
  • Lifting up a book.
  • Pushing desks.
  • Typing keyboards.
  • Moving a pencil case.
  • Opening a laptop.
    • ]]>     2017-12-06 09:16:20 UTC https://padlet.com/j013675/8cmxxl0ich71/wish/213613570     j013675 https://padlet.com/j013675/8cmxxl0ich71/wish/213616918
  • Dropping a ball.
  • Forcing metals to the magnet.
  • Water falling from the sink.
  • Ruler forcing small pieces of papers on it.
  • Skating.
    • ]]>     2017-12-06 09:28:48 UTC https://padlet.com/j013675/8cmxxl0ich71/wish/213616918     j013675 https://padlet.com/j013675/8cmxxl0ich71/wish/213625804 Gravitational force makes objects not floating on the air. Friction make us don't fall when we are walking. Force let us move things.

    ]]>     2017-12-06 10:01:30 UTC https://padlet.com/j013675/8cmxxl0ich71/wish/213625804     j013675 https://padlet.com/j013675/8cmxxl0ich71/wish/213634467 It allow us to pull and push things.]]> 2017-12-06 10:32:13 UTC https://padlet.com/j013675/8cmxxl0ich71/wish/213634467 j013675 https://padlet.com/j013675/8cmxxl0ich71/wish/213635375 Non-contact force keep us on the ground(Gravity) and walking safe so we won't fall.]]> 2017-12-06 10:35:50 UTC https://padlet.com/j013675/8cmxxl0ich71/wish/213635375 j013675 https://padlet.com/j013675/8cmxxl0ich71/wish/213636283 Put magnet near the metal. Dropping things to the ground.]]> 2017-12-06 10:39:26 UTC https://padlet.com/j013675/8cmxxl0ich71/wish/213636283