wheel and axle
wheel and axle
wheel and axle
That simple machine is a lever. It allows for the turning of the wheel by applying force at a greater distance from the wheel's center, providing mechanical advantage.
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.
wheel
A screw is the simple machine described as an inclined plane wrapped around a cylinder. It is commonly used to hold objects together or to lift loads.
lever
A wheel and axle
Pully
A spear is a sharp piece of something attached to a stick
This is a wheel and axle simple machine. The wheel rotates around the axle, allowing for the transfer of force to perform work.
The bottom of a sink is typically a flat surface, so it does not fall under any specific type of simple machine classification. However, the faucet or tap attached to the sink is an example of a simple machine called a lever.