Pedal
part · 1860 · Industrial Revolution
A foot rest at the end of a crank.
Principles and materials it uses
- Lever — uses. A crank with a pedal works as a lever: the longer the crank, the more torque.
- Iron — is made of. Pedals are iron.
- Crank — uses. The pedal sits on a crank: push it and the crank turns the chainring.
Where it is used
- Bicycle drivetrain — is part of. The pedals take the force of the legs.
- Michaux velocipede — is part of. Pedals.
- Moped — is part of. A moped can be pedalled.
- Bicycle — is part of. You push the pedals with your feet — that is what moves the bike.