While objects move ( ) to one another, they can also ( ) up, slow down, and change ( ). The motion can change when one or more ( ) acts on the object. When one object ( ) or ( ) another object, the first object exerts a ( ) on the second object.

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?