The two types of forces are :
1-contact forces
Types : frictional force - tension force - normal force - air resistance force - applied force - spring force .
Examples : -kicking of a football.
-pushing the door.
-stretching of the spring of a balance.
2-Non contact forces or at a distance forces.
Examples : -the gravitational force of attraction.
-electromagnetic force.
-weak nuclear force.
-strong nuclear force.
