How to make the destruction of the touch of another object?

How to make the destruction of the object when you touch another object? Let’s say when you touch the cube to the platform (pictured there), he was destroyed. Thank you. If you can throw a full script, and do not know much (

You need to learn the basics. We’re not here to write stuff for you. What you’re asking is really simple, so learn the basics and you’ll know how to do it.

you’ll want to use this for the collision event:
http://unity3d.com/learn/tutorials/modules/beginner/physics/on-collision-enter

and you’ll want to look into this for dragging the object:

This will not actually drag the object, but it’s the function you’ll want to use to determine if the object has a mouse drag event occurring