Physics Gravity

Getting Started Newbie Questions
#1

How could I set the gravity to be different for different objects? 

One of my objects require to be 0 gravity while the rest are normal. Would setting the mass to 0 do it?

#2

Use the .gravityScale property of physic objects.

https://docs.coronalabs.com/api/type/Body/gravityScale.html

#3

Thanks

#4

Use the .gravityScale property of physic objects.

https://docs.coronalabs.com/api/type/Body/gravityScale.html

#5

Thanks