SYIA Studios shows how you can easily create a realistic cloth tear in Maya.
Simulations are fun to play. When creating a cloth sim, you are a single checkbox away from having that cloth tear under stress. That seems simple enough, but there are a few tricks that you can use to get your cloth tear to behave and also act more realistically using constraints.
Creating a Cloth Tear Sim.
A new tutorial from SYIA Studios runs through the process of creating a simulation using Maya nCloth. There are many tips here, including how to remesh your object before creating the cloth, applying constraints to get a tear where you like, and others.