The cat's paw and nail puller are mostly for small nails with small heads. The claw of a hammer is mainly intended for construction 'spikes'.
A Slide Hammer..............
Single action means that each action must be performed individually, like cocking the hammer then pulling to trigger to fire. Double action is when pulling the trigger performs both these actions at once.
The input force is the force applied by the person using the hammer to pull the nail. The output force is the force exerted by the hammer on the nail to pull it out of the board. The output distance is the distance the nail moves as it is being pulled out of the board.
A claw hammer
A claw hammer is used for pulling nails and is most commonly used by a carpenter or other wood workers A pien hammer is used by blacksmiths, mechanics and other metal workers.
For the first shot, a single action auto, like the 1911A1 .45 auto, must have the hammer cocked manually. A double action auto, like the P38 can be fired by pulling the trigger without cocking the hammer. Trigger pull alone causes hammer to rise and fall.
Sledge hammer and a dent puller.
by pulling the hammer back.
Alot o.o
The sickle and hammer was the flag of the Soviet Union and the swastika the flag of Nazi Germany.
A single action gun must be manually cocked before each shot (pull the hammer back, then pull the trigger). A double action may be fired by just pulling the trigger.
One is fun to smash with a hammer and the other is a watermelon.