water rockets. science date 13.4.17 motion+ balance//

motion- its a push or pull                                                                motion and balance

gravity-  for an object to remain still there needs he a balance

friction- the rubbing of two object together

1. motion can help u balance on a bike

2. motion help u gravity on a 2 wheeler bike








objects at rest remain at rest objects in motion remain in motion objects in a straight line stays in a straight line



force=mass x acceleration



for every action there is a opposite reaction