Pushes and Pulls A force is a push or a pull Forces are always with you They are all around you If you've seen Someone pushing a Swing then you ve seen forces work at
Most of the time you can see the cause of a force A person pushes a swing A truck pulls a boat When a truck pulls a boat you see the truck doing pulling the
sometimes the cause of a force is invisible Wind pushes ledves Y across a sidewalk The Wind invisible is
Gravity pulls a paper airplane down Magnetism holds magnets against a fridge Magnetism pulls this magnet against the fridge Magnetism invisible is