Osbourn Dorsey, invented the doorstop
A train is not a simple machine.
A complex 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.
A spade is a simple mechanical (tool) machine.
A doorstop is an inclined plane.
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.
Many different things can be used as a wedge. A nail or pushpin is a wedge, and so is a rubber doorstop. Wedges can be made of metal or of wood or plastics, and a wedge is a simple machine in this context.
Some examples of the wedge include a knife, an axe, a doorstop, and a chisel. The wedge is typically a triangular-shaped tool that can be used to split or separate objects.
Osbourn Dorsey, invented the doorstop
An airplane is not a simple machine. A lever is a simple machine. A wheel is a simple machine. Any machine that can be described by a mathematical formula is a simple machine.
yes, because a doorstop wedges the door. So it would be a wedge.
A pulley isn't a kind of simple machine, it is a simple machine
simple machine
Its a simple machine which can crush any complex machine
yes it is a simple machine... the wind blowing on the wheel and axle makes it a simple machine
yes , its a simple machine