Thank you Tolyzor. But could I use this code for multiple entities?
Code:
@name Anti grav
@inputs E:entity
@outputs
@persist
@trigger all
runOnTick(1)
E:applyForce(vec(0, 0, 9.105) * E:mass())
But thank you. This is really useful 
EDIT!!!!::::
Nvm, I just did:
Code:
@name Anti grav
@inputs A:entity B:entity C:entity D:entity E:entity
@outputs
@persist
@trigger all
runOnTick(1)
A:applyForce(vec(0, 0, 9.105) * A:mass())
B:applyForce(vec(0, 0, 9.105) * B:mass())
C:applyForce(vec(0, 0, 9.105) * C:mass())
D:applyForce(vec(0, 0, 9.105) * D:mass())
E:applyForce(vec(0, 0, 9.105) * E:mass())
Bookmarks