why can't a stick be joined back together after its broken even if the same force is applied?

Dear student,

Cohesion or cohesive attraction or cohesive force in chemistry is the intermolecular attraction between like-molecules.

Adhesion:
Two materials may form a compound at the join. The strongest joins are where atoms of the two materials swap (ionic bonding) or share (covalent bonding) outer electrons. A weaker bond is formed if oxygen, nitrogen or fluorine atoms of the two materials share a hydrogen nucleus (hydrogen bonding).

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