How do I create a missile with no friction?

HOW TO CREATE A PROJECTILE THAT HAVE NOT FRICTION AND NOT BOUNCE, JUST WANT TO FALL IN THE FORM OF CURVE AND KEEP ROLLIN

G ON THE FLOOR WITHOUT STOPPING.?

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when it hits the floor bounces and stops not want it to stop

good could do so by creating a physical material without putting the friction and the shape amterial floor area and also cambaindo rebounds values ​​0 and deve ready to function.alt text