paper and springs
Not the whole part of the bike but the pedals are levers a kind of simple machine it uses the levers to apply force to the sprocket sprocket is a wheel and axle ,another simple machine,that uses gears to move the chain.
There are two levers created by the character to start the machine and control it
Treadles
A pair of tongs is considered a compound machine. It consists of two levers joined at a pivot point, allowing the user to grip and lift objects with greater force and control. While the individual levers are simple machines, the combination of these levers working together defines it as a compound machine.
Interrupter levers can stop or pause the machine's operation by breaking the circuit or triggering a mechanism. This can help prevent accidents, allow for adjustments, or facilitate maintenance.
Xylophone handles. They could be levers.
pulleys, levers, pendulums
Most people use levers to turn on and off a giant machine. But I only know that scientists use it. =)
simple machine such as pulleys and levers make work easier
it is not a simple machine. A faucet is compound machine sometimes consisting of levers screws and a wheel of and axle
A bicycle consists mainly of Wheel and axles, levers, screws
A simple machine that can do work with just one movement is a lever. Levers work by applying force to one end, which then results in a movement of the other end to perform work. Examples of levers include seesaws and crowbars.