Answered

If the girl push the book in one direction and the boy push it in opposite direction. Did the book move ? how will you make the book mov ?

Sagot :

Arondavionviz
no,because if it push in opposite direction it doesnt move its in the rest position 
how will make the book move? A its oly at rest it only move when the 1 who push in opposite direction go away and the other push its the time to move