Pulley
a pulley is called a moving simple machine because it moves
A lever.
Wheel and Axle.
No. A pulley is a simple machine in its own right.
A lever.
A lever is a simple machine but it is made out of a stiff bar that moves freely around a fixed point.
A lever is a simple machine but it is made out of a stiff bar that moves freely around a fixed point.
A school bell is an example of a lever simple machine. When the lever is pulled or activated, it moves a clapper that strikes the bell to produce sound.
A lever is a simple machine that can be used to move or turn an object. By applying a force at one end of the lever, the object at the other end can be lifted or rotated.
A chair is not a simple machine unless it is a swivel chair that moves due to a screw, A screw is an example of a simple machine. Some other examples are wheel and axle, wedge, and pulley.
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.
in most instances it is a lever that moves electrical contacts.