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
yes a door knod is a simple machine
A door knob is considered a simple machine because it helps to transmit force to open or close a door by rotating.
A door stop is a type of simple machine known as a wedge, which is used to prevent a door from moving by applying friction to the floor.
screw
screw
You can use a doorstop as a simple machine to keep a door from shutting. Just place it on the floor behind the door to prevent it from closing fully.
A key ring is considered a lever simple machine because it allows you to apply a small force over a long distance to turn the key in a lock.
Door knobs are considered a type of wheel and axle simple machine. Turning the knob creates rotational motion around an axle, enabling the door to open or close.
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.
yes. it is an inclined plane. (ramp)
A door knob is a type of simple machine known as a wheel and axle. It consists of a wheel (the knob) that rotates on an axle to open or close a door.