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Parts of the bicycle unit7

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Parts of a bicycle .

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Parts of the bicycle unit7

  1. 1. A compound machine: The bicycle
  2. 2. •A bicycle is a compound machine. 1º Handlebar 2º Brake lever 3º Top tube 4º Saddle 5º Cassette sprocket 6º Wheel 7º Pedal 8º Chainring 9º Tyre 10º Spoke
  3. 3. • A bicycle is formed by mechanical components. Brake leverHandlebar Brake shoe Chainring Cassette Chain Pedals Cables of brakes
  4. 4. The parts of the bicycle transmit the movement from one part to others to advance or to stop. Advance Stop
  5. 5. •We identify different parts in the bicycle. Simple machines Transmission devices. Handlebar Brake lever Pedals Chainring Cassette Chain
  6. 6. Simple machines Handlebar •It is a lever •It changes the orientation of the front wheel Brake lever •It is in the handlebar. •The cables of the brakes are in it. The brakes are levers that press the brake shoe. Pedals The pedals are levers.
  7. 7. transmission devices. Chainring •The chainring moves the chain. The force of our feet move the chain. The chain The chain transmits the movement using the cassette and sprocket.
  8. 8. •A bicycle uses the energy of the human force.
  9. 9. Is a handlebar a simple machine? Are pedals a simple machine? Is a brake lever a simple machine? Is the chain an Element of transmission? Is the cassette an element of transmission? Is the chainring an Element of transmission?

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