Bicycles are offered by millions of world worldwide, for assorted reasons. Human being bicycle to work out, commute, provide packages, contend in races, or just ride for fun. Speak a bicycle can seem straightforward to some, yet it’s actually very complex. Both the rider and the bike play an integral role in the process, i m sorry is really much more of a scientific research than one art. So, how precisely does this two-wheeled object acquire us from suggest A to point B?

Bicycles rotate energy developed by our bodies right into kinetic energy. Kinetic power is “a home of a relocating object or particle and also depends not just on its movement but also on its mass” (Encyclopedia Britannica). If work, which move energy, is excellent on an object by applying a net force, the object increases and thereby gains kinetic energy. A bicycle can transform up to 90 percent that a who energy and movement into kinetic energy. This power is then used to relocate the bike. The rider’s balance and also momentum assist keep the bike steady while traveling follow me a path.

You are watching: Is a bicycle a simple machine

How Bicycle wheels Work

A bicycle wheel and also the axle it transforms is an instance of a an easy machine. It’ll accumulate force (speed) relying on how you turn it. Bicycle wheels are frequently taller 보다 most car wheels. The higher the wheels, the much more they multiply your speed when you revolve the axle.


The wheels ultimately support your whole weight yet in a an extremely interesting way. If bicycle wheels were fully solid, they will do squash down as you satellite on the seat and also push ago up to support you. However, the wheel of most bikes are formed by using a solid hub with a thin rim and also several spokes. Bicycles have spoked wheel to make them both strong and lightweight and to lessen drag.

How bike Gears Work

Gears attached by the chain make the maker go quicker or do it much easier to pedal. Gears are also an instance of a simple machine. Gears deserve to make one incredible difference to her speed. Speak the equipment ratio ~ above a racing bike is 5:1. This method a solitary spin that the pedals will power you around 35 feet under the street.


The pressure used by pedalingenables the gears of a bike come spin the back wheel. Together the back wheel rotates, the tire uses friction come grip the area and move the bike in the wanted direction. Exactly how much power are us talking about? You deserve to generate about 10 watts of energy with a hand-cranked electrical power generator, though you can not use among those for an extremely long without gaining tired. This tells us that it’s much easier to generate big amounts of power for much longer time periods by making use of your large leg muscles 보다 by using your arms and also hands. Bikes make an excellent use the the most powerful muscles in our body.

How bicycle Brakes Work

No matter how fast you pedal, you’re always going to have to stop. Brakes on a bicycle job-related using friction. Although part bikes now have actually disc brakes, countless still use traditional caliper-operated pickled in salt brakes v shoes.


When you press the brake levers, a pair of rubber shoes clamps onto the steel inner rim of the former and back wheels. Together the brake shoes obstacle firmly versus the wheels, they turn your kinetic power into heat, which has the result of slowing you down.

How bike Handlebars Work

The handlebars of a bicycle are actually atype that lever. Longer handlebars provide leverage, which makes it less complicated to pivot the former wheel that the bike. The additional apart you an are your arms, the more air resistance you create. The common outer parts of the handlebars are for steering, and also the innerparts are for gliding.


The apparently basic two-wheeled machine uses momentum, force, and friction and also converts power to get riders to their destination. Whetheryou’re teaching the physics that a bike or a great on the basic machines used, there are many exercises (no pun intended) to be learned on bicycles.

See more: Why Did The Number Of Corporations Grow Dramatically After 1870 ?

If you’re trying to find a couple of ways to get bicycle scientific research rolling in her classroom, examine out this ideas:

Source:The Exploratorium’s science of Cycling


TOPICS: ideas & INSPIRATION, Science, Resources, Engineering, Physics


composed by Katlie Brynds

Hey there! I invest my days as the STEM portfolio manager; developing brand-new STEM products and also creating STEM-related campaigns and initiatives. I also work to improve our web appearance and also functionality through designing brand-new landing pages and also populating product pages with an important resources and information. The critical 4+ years have really enabled me to grow in collaboration with the Marketing Team. Ns a proud alum the Pittsburg State university (Go Gorillas)! In my free time, you have the right to often find me watching a sporting occasion or frequenting the local Mexican restaurants! In situation you were wondering… ns #TeamGuac.