How much damage does each weapon do?
Swords:
The wooden/golden sword does 2 hearts of damage, the stone sword does 2 and a 1/2 damage. The iron sword does 3 hearts of Damage and a diamond sword does 3 and a 1/2 hearts of damage.
Axes:
The wooden/golden axe does 1 and a 1/2 hearts of damage, the stone axe does 2 hearts of damage. The iron axe does 2 and a 1/2 hearts of damage and a diamond axe does 3 hearts of damage.
Pickaxes:
The wooden/golden pickaxe does 1 heart of damage, the stone pickaxe does 1 and a 1/2 hearts of damage. The iron pickaxe does 2 hearts of damage and a diamond pickaxe does 2 and a 1/2 hearts of damage.
Shovels:
The wooden/golden shovel does 1/2 a heart of damage, the stone shovel does 1 heart of damage. The iron shovel does 1 and a 1/2 hearts of damage and a diamond shovel does 2 hearts of damage.
Others:
The bow and arrows will do 1 heart of damage for a weak shot, a medium shot will do 3 hearts of damage and the strong shot will do 5 heats of damage.
The fist or any block will do 1/2 a heart of damage.