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.
yes
No, it's a compound machine.
No, it's a compound machine.
A pencil sharpener is a compound machine made up of simple machines, like the screw and lever.
The blade of a pencil sharpener is a wedge.
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.
yes
No, it's a compound machine.
No, it's a compound machine.
A pencil sharpener is a compound machine made up of simple machines, like the screw and lever.
lever
The blade of a pencil sharpener is a wedge.
It is a wheel. The ball rolls across the surface, instead of scraping across as a pencil or nib pen would.
A pulley isn't a kind of simple machine, it is a simple machine
A train is not a simple machine.
A pencil sharpener is an example of a simple machine known as a wedge. The blade inside the sharpener is shaped like a wedge, which helps to cut and shape the pencil tip when it is inserted and rotated.
IT's NOT A SIMPLE MACHINE!