Yellow Hammer is a term for a curve ball that not only breaks but has a big drop to it. Another term for Yellow Hammer is a '12 to 6' curve ball. Other terms for a curve ball are 'yakker' and 'Uncle Charlie'.
The outer curve of the claw is used as the fulcrum.
Depending on what you are using the hammer for. If the hammer is been used to pull up a nail then yes but if its been used to hammer in a nail then no. For something to be a lever it must have a fulcrum which the curve on the hammer works as as you try to pull out a nail.
A curved claw hammer is a lot like it sounds. One side of the metal portion of the hammer has a protruding curved portion. The curve has a split in the center that resembles a claw. It is used for prying. If a nail is sticking up, it can be gripped in the claw, and the hammer is rocked back using the curve. It uses leverage to pull the nail out of the wood.
The yellow S curve sign
A yellow caution sign depicting a "switch back curve" or a double " S ".
That is about where the peak of its blackbody radiation curve is, as determined by the photosphere temperature.
A curveball falls under the general category of "breaking ball". A "breaking ball" refers to any pitch that is thrown with movement (i.e. a curveball, slider, sinker, etc.").
yellow flashing lights Yellow rhombus (diamond) with curving line and arrow.
Yellow diamond with a black "S"
Usually it is posted on a yellow diamond shaped warning sign.
A curveball is a type of pitch in baseball that actually curves as it reaches home plate. A curveball is not a good pitch for young children to throw, because to throw a curveball, you must flick your wrist, which is not good for a young child's wrist. There have been debates on whether a curveball actually curves, or if the pitch actually curves when it reaches the plate. Some nicknames for a curveball are "the bender," "the hook," "Uncle Charlie," "the hammer," "the yakker," "Public Enemy Number 1," or "a breaking pitch."