Question

Define cohesive force and adhesive force. Give examples.

Answer 1

attraction of molecules of same object is called cohesive.attraction of molecules of different object is called adhesive

Answer 2

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