How can things ever be moved if the force you exert on them is equal to that that they exert on you?

All material objects, that is, anything with mass.

There is not anything that cannot exert some amount of force, even sunlight has a force though very minute.

A force is a push or pull acting upon an object as a result of its interaction with another object. ie myself against a rock or my trying to pull the rock

According to Newtons 3rd law, "Every action has an equal and opposite reaction".if you exert force on an object, the object will exert an equal and opposite force on you. when the forces exerted by...

gravitational force