Why do the planets rotate around the sun?

Answer 1

they rotate to get day and night. Rotate means to spin on its own axis. Revolve is an orbit around another object in space.

When an object of relatively small mass moves past an object with much larger mass, the mutual gravitational attraction will accelerate the smaller object toward the larger object. Actually they are attracted toward each other with exactly the same force, since gravitational attraction is mutual. Because the larger object has a much greater mass, the force on the larger object will result in just a little acceleration toward the small object. Depending on the speed and direction of the object, its path could be changed so that it collides with the other object, or it just gets deflected and keeps on moving (in a new direction), or it could start into an orbit around the larger object.

Thats geeky way i will tell you the understandable not geeky way well its like a circle with lots of other circles and the sun dosent move we just move around and doing that gives us night and day

Answer 2

Because they all condensed out of the same cloud of spinning dust and gas.