The stiff rod to which you are referring is a LEVER. The pivot point is the Fulcrum.
A gate can be considered a lever simple machine, as it pivots around a point to open and close.
The fixed turning point of a simple machine is called the fulcrum. The fulcrum is the point around which the machine rotates or pivots to perform work.
A lever.
Lever
The lid on a toilet is a simple machine known as a lever. It pivots around a point (the hinge) to help lift and lower the lid with less effort.
A lever. The fixed point is called the fulcrum.
A nutcracker is a lever, a type of simple machine. It consists of a rigid bar that pivots around a fixed point to help exert a greater force to crack open nuts.
A simple machine consisting of a bar that pivots at a fixed point is called a lever. Levers are commonly used to amplify force or speed in mechanical systems by changing the direction or magnitude of a force applied to one end.
wheel and axel. that's the answer for it on study island.
A machine with a bar that pivots around a fixed point is called a lever. Levers are simple machines that can be used to lift or move objects by applying force on one end of the bar.
A rod that pivots about a point is known as a lever. Levers are simple machines that amplify force or distance when used to lift or move objects. The point about which the rod pivots is called the fulcrum.
One such example would be an old-fashioned weighing scales.