Simple Machines/Bicycles



Simple machine, any of several devices with few or no moving parts that are used to modify motion and the magnitude of a force in order to perform work.

Examples:   Lever --  Wheel and Axle --  Pulley --   Inclined Plane--   Wedge -- and a Screw




The bicycle consists of combinations of several types of simple machines
If transferring forced is accepted in the definition of a simple machine, the slanted tubes of the bicycle frame may, repeat, may, be regarded as inclined planes


The handlebars, steerer and fork represent a wheel and axle

Brake Levers

Caliper arms are levers
Quick release is operated by a lever
Cable is secured with a screw as is the brake block

Crankset is a wheel and axle

Wheel and axle



Adjusting Screws


Chain Wheel and Freewheel are pulleys
Rim and hub are wheel and axle

Rear derailer consists of levers and wheels and axles
Cable secured with a screw

Seat post clamp employs a screw

Quick release skewer uses a screw

Cable adjustment uses a screw

Reflector secured with a screw

Adjustment screws on front derailer
Cable operates a lever

Levers

Tire can be regarded as a wedge as it rolls thru water or loose aggregate

Brake extension levers secured with a screw

Shift levers
Stem secured with a screw

Saddle clamp uses a screw

Valve cap fastens with a screw





Rat trap clamp is a lever

 

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