yes a door knod is a simple machine
It's a lever. Doors work on hinges. Same thing as a fulcrum, only in a different position
A complex machine.
A train is not a simple machine.
A fulcrum is a part of a simple machine, the lever. Without the fulcrum what is left of the simple machine can no longer increase the applied force and is no longer a simple machine.
washing machine
What kind of simple machine is a garage door
yes a door knod is a simple machine
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A key cutting machine is a machine that cuts keys into shapes that will fit door locks. If you have ever been curious as to how a key cutting machine works, there are some Youtube videos that show the process.
What kind of simple machine is a garage door
yes. it is an inclined plane. (ramp)
A keyboard is not a simple machine. Its a complex machine. Once there is electric running through the item, its considered complex. So this keyboard is not a part of simple machineryAnswered by some random person that searched up this question to help with my h.w. not the person asking the Q
The ignition key.
The handle of a key is a simple lever. The sloping sides of the teeth on a cylinder-lock key ('Yale' type) act as wedges to lift the internallocking pins.