Obi Wan Bird In Angry Birds Star Wars Force Blast
Closeness to the blast directly affects how far things are flung. It does damage to the objects hit by the force blast, but steel blocks are somewhat resistant. Ice and Wood blocks are generally damaged or destroyed based on distance from the blast.
Black Bird: Obi-Wan Kenobi
No longer being able to explode, Bomb is now given the power of the "Force", which allows him to use telekinesis to launch blocks and debris at enemies. Later on, this ability is upgraded, allowing Bomb to throw objects further.
He can use the Light Side of the Force to push nearby blocks away and towards surrounding Pigs, giving no direct damage to the pigs.
Also the Force as a range, the closer you are to the target stronger the force will be.