Lead, wood, plastic
The physical properties of carbon vary widely with the allotropic form.
A regular pencil is considered an instrument, a mechanical pencil may be considered a simple machine , in that it has moving parts that rotate, and move up and down.
pencil
how big is your pencil?
Cool question.But the parts of the pencil include:EraserLeadMetal or Plastic Ring that holds the eraserShell, usually made with wood or plastic
clensel
well a pencil has led, wood, metal, and eraser
There are certain parts of a pencil that are renewable:the rubber eraser,the wood of the pencil,the led,and the metal.
A regular pencil is considered an instrument, a mechanical pencil may be considered a simple machine , in that it has moving parts that rotate, and move up and down.
Lead, wood, plastic
The physical properties of carbon vary widely with the allotropic form.
The physical properties of carbon vary widely with the allotropic form.
A regular pencil is considered an instrument, a mechanical pencil may be considered a simple machine , in that it has moving parts that rotate, and move up and down.
Some subsystems (parts) are:ScrewsWheel and AxelhandleMetalBladeGearsLever
The word "pencil" can be a noun or a verb. As a noun, it refers to a writing instrument typically made of wood and graphite. As a verb, it means to write or draw with a pencil.
It is a cylinder when not sharpen