If we push a trolley which is in the state of rest it will go in to the state of motion.
if we pull a suitcase it will go into state of motion
Two examples of push force are as follows:
1.A heavy box  at rest is  pushed to move it from one room to another.This changes the state of state of motion of box.
 2.A player pushes a football using a foot.
Two example of pull force are as follows:
1.Rope is pulled to draw water from a well.
2. A drawer is pulled to open it.This changes in state of motion of the drawer.
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